./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec8_productSimulator.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 fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:55:13,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:55:13,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:55:14,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:55:14,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:55:14,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:55:14,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:55:14,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:55:14,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:55:14,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:55:14,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:55:14,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:55:14,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:55:14,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:55:14,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:55:14,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:55:14,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:55:14,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:55:14,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:55:14,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:55:14,018 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:55:14,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:55:14,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:55:14,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:55:14,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:55:14,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:55:14,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:55:14,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:55:14,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:55:14,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:55:14,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:55:14,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:55:14,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:55:14,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:55:14,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:55:14,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:55:14,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:55:14,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:55:14,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:55:14,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:55:14,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:55:14,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:55:14,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:55:14,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:55:14,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:55:14,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:55:14,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:55:14,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:55:14,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:55:14,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:55:14,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:55:14,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:55:14,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:55:14,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:55:14,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:55:14,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:55:14,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:55:14,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:55:14,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:55:14,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:55:14,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:55:14,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:55:14,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:55:14,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:55:14,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:55:14,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:55:14,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 [2022-07-13 17:55:14,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:55:14,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:55:14,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:55:14,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:55:14,247 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:55:14,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-07-13 17:55:14,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198bce394/eec1947663fc44ca8acb6e4f06cab60a/FLAG4a92bf84c [2022-07-13 17:55:14,691 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:55:14,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-07-13 17:55:14,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198bce394/eec1947663fc44ca8acb6e4f06cab60a/FLAG4a92bf84c [2022-07-13 17:55:14,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198bce394/eec1947663fc44ca8acb6e4f06cab60a [2022-07-13 17:55:14,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:55:14,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:55:14,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:55:14,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:55:14,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:55:14,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:55:14" (1/1) ... [2022-07-13 17:55:14,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699716c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:14, skipping insertion in model container [2022-07-13 17:55:14,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:55:14" (1/1) ... [2022-07-13 17:55:14,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:55:14,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:55:15,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-07-13 17:55:15,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:55:15,180 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:55:15,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-07-13 17:55:15,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:55:15,283 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:55:15,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15 WrapperNode [2022-07-13 17:55:15,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:55:15,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:55:15,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:55:15,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:55:15,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,372 INFO L137 Inliner]: procedures = 152, calls = 288, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1326 [2022-07-13 17:55:15,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:55:15,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:55:15,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:55:15,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:55:15,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:55:15,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:55:15,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:55:15,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:55:15,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (1/1) ... [2022-07-13 17:55:15,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:55:15,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:15,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 17:55:15,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 17:55:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-13 17:55:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-13 17:55:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2022-07-13 17:55:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2022-07-13 17:55:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2022-07-13 17:55:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2022-07-13 17:55:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-13 17:55:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-13 17:55:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-13 17:55:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-13 17:55:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-13 17:55:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-13 17:55:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-13 17:55:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-13 17:55:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2022-07-13 17:55:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2022-07-13 17:55:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-13 17:55:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-13 17:55:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2022-07-13 17:55:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2022-07-13 17:55:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-13 17:55:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-13 17:55:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-13 17:55:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-13 17:55:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-13 17:55:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-13 17:55:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2022-07-13 17:55:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2022-07-13 17:55:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2022-07-13 17:55:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2022-07-13 17:55:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-13 17:55:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-13 17:55:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-13 17:55:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-13 17:55:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-13 17:55:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-13 17:55:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-13 17:55:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2022-07-13 17:55:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2022-07-13 17:55:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-13 17:55:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-13 17:55:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-07-13 17:55:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-07-13 17:55:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-13 17:55:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-13 17:55:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2022-07-13 17:55:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2022-07-13 17:55:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:55:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-13 17:55:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-13 17:55:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-13 17:55:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-13 17:55:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2022-07-13 17:55:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2022-07-13 17:55:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2022-07-13 17:55:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2022-07-13 17:55:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2022-07-13 17:55:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2022-07-13 17:55:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-13 17:55:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-13 17:55:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-13 17:55:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-13 17:55:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-13 17:55:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-13 17:55:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-13 17:55:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-13 17:55:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-13 17:55:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-13 17:55:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-13 17:55:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-13 17:55:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-13 17:55:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-13 17:55:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2022-07-13 17:55:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2022-07-13 17:55:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2022-07-13 17:55:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2022-07-13 17:55:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-13 17:55:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-13 17:55:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-13 17:55:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-13 17:55:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:55:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-13 17:55:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-13 17:55:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2022-07-13 17:55:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2022-07-13 17:55:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-07-13 17:55:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-07-13 17:55:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-13 17:55:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-13 17:55:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:55:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:55:15,806 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:55:15,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:55:16,506 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:55:16,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:55:16,514 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 17:55:16,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:55:16 BoogieIcfgContainer [2022-07-13 17:55:16,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:55:16,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:55:16,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:55:16,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:55:16,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:55:14" (1/3) ... [2022-07-13 17:55:16,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ecd7257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:55:16, skipping insertion in model container [2022-07-13 17:55:16,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:15" (2/3) ... [2022-07-13 17:55:16,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ecd7257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:55:16, skipping insertion in model container [2022-07-13 17:55:16,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:55:16" (3/3) ... [2022-07-13 17:55:16,528 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2022-07-13 17:55:16,538 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:55:16,538 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:55:16,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:55:16,609 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@34736775, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@48964770 [2022-07-13 17:55:16,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:55:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2022-07-13 17:55:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-13 17:55:16,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:16,632 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:16,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1310995889, now seen corresponding path program 1 times [2022-07-13 17:55:16,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:16,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110841556] [2022-07-13 17:55:16,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:16,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-13 17:55:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:55:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 17:55:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 17:55:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 17:55:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-13 17:55:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-13 17:55:17,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:17,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110841556] [2022-07-13 17:55:17,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110841556] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:17,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:17,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:55:17,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750250312] [2022-07-13 17:55:17,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:17,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:55:17,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:17,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:55:17,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:55:17,092 INFO L87 Difference]: Start difference. First operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-13 17:55:18,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:18,296 INFO L93 Difference]: Finished difference Result 1081 states and 1630 transitions. [2022-07-13 17:55:18,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:55:18,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2022-07-13 17:55:18,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:18,313 INFO L225 Difference]: With dead ends: 1081 [2022-07-13 17:55:18,313 INFO L226 Difference]: Without dead ends: 739 [2022-07-13 17:55:18,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:55:18,321 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 1358 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:18,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1637 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 17:55:18,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-07-13 17:55:18,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 597. [2022-07-13 17:55:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.510158013544018) internal successors, (669), 462 states have internal predecessors, (669), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-13 17:55:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 888 transitions. [2022-07-13 17:55:18,409 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 888 transitions. Word has length 127 [2022-07-13 17:55:18,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:18,410 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 888 transitions. [2022-07-13 17:55:18,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-13 17:55:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 888 transitions. [2022-07-13 17:55:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-13 17:55:18,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:18,418 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:18,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:55:18,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:18,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1140437170, now seen corresponding path program 1 times [2022-07-13 17:55:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:18,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135378566] [2022-07-13 17:55:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:18,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-13 17:55:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:55:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 17:55:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:55:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 17:55:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-13 17:55:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-13 17:55:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-13 17:55:18,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:18,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135378566] [2022-07-13 17:55:18,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135378566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:18,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:18,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 17:55:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265073656] [2022-07-13 17:55:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:18,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:55:18,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:18,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:55:18,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:55:18,591 INFO L87 Difference]: Start difference. First operand 597 states and 888 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-13 17:55:20,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:20,461 INFO L93 Difference]: Finished difference Result 1300 states and 1960 transitions. [2022-07-13 17:55:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 17:55:20,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-07-13 17:55:20,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:20,465 INFO L225 Difference]: With dead ends: 1300 [2022-07-13 17:55:20,466 INFO L226 Difference]: Without dead ends: 739 [2022-07-13 17:55:20,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-07-13 17:55:20,468 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 1358 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 2944 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 3595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 2944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:20,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 2390 Invalid, 3595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 2944 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 17:55:20,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-07-13 17:55:20,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 597. [2022-07-13 17:55:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.4943566591422122) internal successors, (662), 462 states have internal predecessors, (662), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-13 17:55:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 881 transitions. [2022-07-13 17:55:20,495 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 881 transitions. Word has length 128 [2022-07-13 17:55:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:20,495 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 881 transitions. [2022-07-13 17:55:20,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-13 17:55:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 881 transitions. [2022-07-13 17:55:20,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-13 17:55:20,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:20,497 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:20,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:55:20,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash 123449077, now seen corresponding path program 1 times [2022-07-13 17:55:20,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:20,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445537039] [2022-07-13 17:55:20,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 17:55:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 17:55:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 17:55:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 17:55:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 17:55:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-13 17:55:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 17:55:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-13 17:55:20,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:20,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445537039] [2022-07-13 17:55:20,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445537039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:20,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:20,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:55:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988455067] [2022-07-13 17:55:20,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:20,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:55:20,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:55:20,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:55:20,613 INFO L87 Difference]: Start difference. First operand 597 states and 881 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-13 17:55:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:21,506 INFO L93 Difference]: Finished difference Result 1310 states and 1992 transitions. [2022-07-13 17:55:21,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:21,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 133 [2022-07-13 17:55:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:21,510 INFO L225 Difference]: With dead ends: 1310 [2022-07-13 17:55:21,510 INFO L226 Difference]: Without dead ends: 738 [2022-07-13 17:55:21,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:21,513 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 2061 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:21,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 1552 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 17:55:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-07-13 17:55:21,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 596. [2022-07-13 17:55:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 444 states have (on average 1.481981981981982) internal successors, (658), 461 states have internal predecessors, (658), 107 states have call successors, (107), 44 states have call predecessors, (107), 44 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2022-07-13 17:55:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 871 transitions. [2022-07-13 17:55:21,536 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 871 transitions. Word has length 133 [2022-07-13 17:55:21,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:21,536 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 871 transitions. [2022-07-13 17:55:21,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-13 17:55:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 871 transitions. [2022-07-13 17:55:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-13 17:55:21,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:21,538 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:21,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:55:21,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:21,539 INFO L85 PathProgramCache]: Analyzing trace with hash 235987301, now seen corresponding path program 1 times [2022-07-13 17:55:21,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:21,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592606729] [2022-07-13 17:55:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 17:55:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 17:55:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 17:55:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 17:55:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-13 17:55:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-13 17:55:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-13 17:55:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 17:55:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-13 17:55:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-13 17:55:21,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:21,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592606729] [2022-07-13 17:55:21,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592606729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:21,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:21,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:55:21,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429709382] [2022-07-13 17:55:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:21,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:55:21,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:21,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:55:21,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:55:21,649 INFO L87 Difference]: Start difference. First operand 596 states and 871 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-13 17:55:22,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:22,527 INFO L93 Difference]: Finished difference Result 1302 states and 1952 transitions. [2022-07-13 17:55:22,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:22,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2022-07-13 17:55:22,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:22,531 INFO L225 Difference]: With dead ends: 1302 [2022-07-13 17:55:22,532 INFO L226 Difference]: Without dead ends: 736 [2022-07-13 17:55:22,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:22,534 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 2028 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:22,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 1570 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 17:55:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2022-07-13 17:55:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 595. [2022-07-13 17:55:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 444 states have (on average 1.4774774774774775) internal successors, (656), 460 states have internal predecessors, (656), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2022-07-13 17:55:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 867 transitions. [2022-07-13 17:55:22,569 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 867 transitions. Word has length 149 [2022-07-13 17:55:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:22,570 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 867 transitions. [2022-07-13 17:55:22,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-13 17:55:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 867 transitions. [2022-07-13 17:55:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-13 17:55:22,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:22,573 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:22,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:55:22,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:22,574 INFO L85 PathProgramCache]: Analyzing trace with hash -497393103, now seen corresponding path program 1 times [2022-07-13 17:55:22,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:22,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308777139] [2022-07-13 17:55:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 17:55:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 17:55:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 17:55:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 17:55:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-13 17:55:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 17:55:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-13 17:55:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 17:55:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-13 17:55:22,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:22,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308777139] [2022-07-13 17:55:22,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308777139] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:22,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:22,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:55:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910329284] [2022-07-13 17:55:22,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:22,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:55:22,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:22,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:55:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:55:22,667 INFO L87 Difference]: Start difference. First operand 595 states and 867 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-13 17:55:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:23,496 INFO L93 Difference]: Finished difference Result 1282 states and 1899 transitions. [2022-07-13 17:55:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:23,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2022-07-13 17:55:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:23,500 INFO L225 Difference]: With dead ends: 1282 [2022-07-13 17:55:23,501 INFO L226 Difference]: Without dead ends: 733 [2022-07-13 17:55:23,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:23,503 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 1998 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:23,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 1482 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 17:55:23,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-07-13 17:55:23,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 592. [2022-07-13 17:55:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 444 states have (on average 1.4527027027027026) internal successors, (645), 455 states have internal predecessors, (645), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-07-13 17:55:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 850 transitions. [2022-07-13 17:55:23,524 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 850 transitions. Word has length 150 [2022-07-13 17:55:23,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:23,525 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 850 transitions. [2022-07-13 17:55:23,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-13 17:55:23,525 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 850 transitions. [2022-07-13 17:55:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-13 17:55:23,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:23,527 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:23,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:55:23,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:23,528 INFO L85 PathProgramCache]: Analyzing trace with hash -608262645, now seen corresponding path program 1 times [2022-07-13 17:55:23,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:23,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920424434] [2022-07-13 17:55:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:23,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 17:55:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 17:55:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-13 17:55:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-13 17:55:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 17:55:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 17:55:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-13 17:55:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-13 17:55:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-13 17:55:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-13 17:55:23,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:23,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920424434] [2022-07-13 17:55:23,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920424434] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:23,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145491658] [2022-07-13 17:55:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:23,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:23,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:23,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:55:23,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:55:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 17:55:24,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-13 17:55:24,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:24,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145491658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:24,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:24,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-07-13 17:55:24,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856144766] [2022-07-13 17:55:24,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:24,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:55:24,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:24,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:55:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:24,034 INFO L87 Difference]: Start difference. First operand 592 states and 850 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:24,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:24,056 INFO L93 Difference]: Finished difference Result 919 states and 1301 transitions. [2022-07-13 17:55:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:55:24,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2022-07-13 17:55:24,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:24,059 INFO L225 Difference]: With dead ends: 919 [2022-07-13 17:55:24,059 INFO L226 Difference]: Without dead ends: 595 [2022-07-13 17:55:24,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:24,061 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 1 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:24,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1690 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:55:24,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-07-13 17:55:24,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2022-07-13 17:55:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 457 states have internal predecessors, (647), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-07-13 17:55:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 852 transitions. [2022-07-13 17:55:24,081 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 852 transitions. Word has length 175 [2022-07-13 17:55:24,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:24,081 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 852 transitions. [2022-07-13 17:55:24,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 852 transitions. [2022-07-13 17:55:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-13 17:55:24,083 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:24,084 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:24,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:24,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-13 17:55:24,300 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:24,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:24,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1535662965, now seen corresponding path program 1 times [2022-07-13 17:55:24,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:24,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048502456] [2022-07-13 17:55:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:24,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 17:55:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 17:55:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-13 17:55:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-13 17:55:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-13 17:55:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 17:55:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-13 17:55:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-13 17:55:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-13 17:55:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-13 17:55:24,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:24,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048502456] [2022-07-13 17:55:24,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048502456] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:24,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56123746] [2022-07-13 17:55:24,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:24,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:24,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:55:24,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 17:55:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 17:55:24,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-13 17:55:24,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:24,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56123746] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:24,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:24,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-07-13 17:55:24,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816064288] [2022-07-13 17:55:24,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:24,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:55:24,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:24,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:55:24,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:24,763 INFO L87 Difference]: Start difference. First operand 594 states and 852 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:24,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:24,789 INFO L93 Difference]: Finished difference Result 1208 states and 1765 transitions. [2022-07-13 17:55:24,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:55:24,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2022-07-13 17:55:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:24,793 INFO L225 Difference]: With dead ends: 1208 [2022-07-13 17:55:24,793 INFO L226 Difference]: Without dead ends: 692 [2022-07-13 17:55:24,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:24,795 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 165 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:24,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1680 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:55:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-07-13 17:55:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2022-07-13 17:55:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 533 states have internal predecessors, (765), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2022-07-13 17:55:24,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 998 transitions. [2022-07-13 17:55:24,820 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 998 transitions. Word has length 183 [2022-07-13 17:55:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:24,821 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 998 transitions. [2022-07-13 17:55:24,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 998 transitions. [2022-07-13 17:55:24,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-13 17:55:24,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:24,823 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:24,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:25,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-13 17:55:25,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:25,044 INFO L85 PathProgramCache]: Analyzing trace with hash 796437565, now seen corresponding path program 1 times [2022-07-13 17:55:25,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:25,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648436572] [2022-07-13 17:55:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:25,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 17:55:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 17:55:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 17:55:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 17:55:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-13 17:55:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-13 17:55:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-13 17:55:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-13 17:55:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-13 17:55:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-13 17:55:25,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:25,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648436572] [2022-07-13 17:55:25,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648436572] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:25,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481368119] [2022-07-13 17:55:25,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:25,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:25,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:25,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:55:25,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 17:55:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:25,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 17:55:25,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-13 17:55:25,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:25,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481368119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:25,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:25,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-07-13 17:55:25,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566648021] [2022-07-13 17:55:25,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:25,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:55:25,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:25,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:55:25,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-07-13 17:55:25,606 INFO L87 Difference]: Start difference. First operand 684 states and 998 transitions. Second operand has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-13 17:55:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:25,732 INFO L93 Difference]: Finished difference Result 1315 states and 1933 transitions. [2022-07-13 17:55:25,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:55:25,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 184 [2022-07-13 17:55:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:25,736 INFO L225 Difference]: With dead ends: 1315 [2022-07-13 17:55:25,736 INFO L226 Difference]: Without dead ends: 686 [2022-07-13 17:55:25,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-07-13 17:55:25,739 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 363 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 5436 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:25,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 5436 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:55:25,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-07-13 17:55:25,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2022-07-13 17:55:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 535 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 45 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2022-07-13 17:55:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1001 transitions. [2022-07-13 17:55:25,767 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1001 transitions. Word has length 184 [2022-07-13 17:55:25,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:25,767 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 1001 transitions. [2022-07-13 17:55:25,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-13 17:55:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1001 transitions. [2022-07-13 17:55:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-13 17:55:25,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:25,770 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:25,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:25,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:25,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:25,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:25,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2134575071, now seen corresponding path program 1 times [2022-07-13 17:55:25,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:25,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138083990] [2022-07-13 17:55:25,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:25,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 17:55:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-13 17:55:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 17:55:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-13 17:55:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 17:55:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-13 17:55:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-13 17:55:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-13 17:55:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-13 17:55:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-13 17:55:26,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:26,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138083990] [2022-07-13 17:55:26,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138083990] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:26,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511814659] [2022-07-13 17:55:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:26,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:26,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:26,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:55:26,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 17:55:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 17:55:26,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-13 17:55:26,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:26,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511814659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:26,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:26,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2022-07-13 17:55:26,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130260961] [2022-07-13 17:55:26,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:26,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:55:26,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:26,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:55:26,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-13 17:55:26,531 INFO L87 Difference]: Start difference. First operand 686 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 17:55:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:26,625 INFO L93 Difference]: Finished difference Result 1316 states and 1937 transitions. [2022-07-13 17:55:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:55:26,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 185 [2022-07-13 17:55:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:26,628 INFO L225 Difference]: With dead ends: 1316 [2022-07-13 17:55:26,628 INFO L226 Difference]: Without dead ends: 688 [2022-07-13 17:55:26,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-13 17:55:26,632 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 361 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 3770 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:26,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 3770 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:55:26,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-07-13 17:55:26,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2022-07-13 17:55:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2022-07-13 17:55:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1007 transitions. [2022-07-13 17:55:26,657 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1007 transitions. Word has length 185 [2022-07-13 17:55:26,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:26,658 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1007 transitions. [2022-07-13 17:55:26,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 17:55:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1007 transitions. [2022-07-13 17:55:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-13 17:55:26,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:26,660 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:26,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:26,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:26,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:26,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:26,883 INFO L85 PathProgramCache]: Analyzing trace with hash -354789448, now seen corresponding path program 1 times [2022-07-13 17:55:26,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:26,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374130070] [2022-07-13 17:55:26,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:26,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-13 17:55:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 17:55:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-13 17:55:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-13 17:55:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-13 17:55:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-13 17:55:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-13 17:55:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-13 17:55:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-13 17:55:27,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:27,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374130070] [2022-07-13 17:55:27,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374130070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:27,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:27,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 17:55:27,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994618603] [2022-07-13 17:55:27,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:27,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 17:55:27,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 17:55:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:27,060 INFO L87 Difference]: Start difference. First operand 688 states and 1007 transitions. Second operand has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-13 17:55:29,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:29,918 INFO L93 Difference]: Finished difference Result 1449 states and 2165 transitions. [2022-07-13 17:55:29,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 17:55:29,919 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 186 [2022-07-13 17:55:29,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:29,922 INFO L225 Difference]: With dead ends: 1449 [2022-07-13 17:55:29,923 INFO L226 Difference]: Without dead ends: 833 [2022-07-13 17:55:29,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-07-13 17:55:29,925 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 2160 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5163 mSolverCounterSat, 897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2160 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 6060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 897 IncrementalHoareTripleChecker+Valid, 5163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:29,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2160 Valid, 2800 Invalid, 6060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [897 Valid, 5163 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-13 17:55:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2022-07-13 17:55:29,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 688. [2022-07-13 17:55:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (122), 115 states have call predecessors, (122), 116 states have call successors, (122) [2022-07-13 17:55:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1006 transitions. [2022-07-13 17:55:29,953 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1006 transitions. Word has length 186 [2022-07-13 17:55:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:29,954 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1006 transitions. [2022-07-13 17:55:29,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-13 17:55:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1006 transitions. [2022-07-13 17:55:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-13 17:55:29,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:29,956 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:29,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:55:29,957 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:29,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:29,957 INFO L85 PathProgramCache]: Analyzing trace with hash -288543782, now seen corresponding path program 2 times [2022-07-13 17:55:29,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:29,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763816160] [2022-07-13 17:55:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:29,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-13 17:55:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 17:55:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-13 17:55:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 17:55:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-13 17:55:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-13 17:55:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-13 17:55:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-13 17:55:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-13 17:55:30,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:30,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763816160] [2022-07-13 17:55:30,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763816160] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:30,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:30,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 17:55:30,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291257277] [2022-07-13 17:55:30,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:30,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 17:55:30,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:30,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 17:55:30,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:30,107 INFO L87 Difference]: Start difference. First operand 688 states and 1006 transitions. Second operand has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-13 17:55:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:32,723 INFO L93 Difference]: Finished difference Result 1451 states and 2168 transitions. [2022-07-13 17:55:32,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 17:55:32,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 187 [2022-07-13 17:55:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:32,728 INFO L225 Difference]: With dead ends: 1451 [2022-07-13 17:55:32,728 INFO L226 Difference]: Without dead ends: 835 [2022-07-13 17:55:32,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-07-13 17:55:32,730 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 2157 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5253 mSolverCounterSat, 907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 6160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 5253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:32,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 2806 Invalid, 6160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [907 Valid, 5253 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-13 17:55:32,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-07-13 17:55:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 690. [2022-07-13 17:55:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 539 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (124), 115 states have call predecessors, (124), 116 states have call successors, (124) [2022-07-13 17:55:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1009 transitions. [2022-07-13 17:55:32,767 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1009 transitions. Word has length 187 [2022-07-13 17:55:32,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:32,767 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1009 transitions. [2022-07-13 17:55:32,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-13 17:55:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1009 transitions. [2022-07-13 17:55:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-13 17:55:32,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:32,770 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:32,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 17:55:32,770 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:32,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2051569539, now seen corresponding path program 1 times [2022-07-13 17:55:32,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:32,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944127851] [2022-07-13 17:55:32,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:32,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-13 17:55:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 17:55:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-13 17:55:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-13 17:55:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-13 17:55:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 17:55:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-13 17:55:32,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944127851] [2022-07-13 17:55:32,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944127851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:32,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:32,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-13 17:55:32,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018455215] [2022-07-13 17:55:32,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:32,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-13 17:55:32,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:32,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-13 17:55:32,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:32,928 INFO L87 Difference]: Start difference. First operand 690 states and 1009 transitions. Second operand has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 17:55:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:35,895 INFO L93 Difference]: Finished difference Result 1671 states and 2535 transitions. [2022-07-13 17:55:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 17:55:35,895 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2022-07-13 17:55:35,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:35,899 INFO L225 Difference]: With dead ends: 1671 [2022-07-13 17:55:35,900 INFO L226 Difference]: Without dead ends: 1058 [2022-07-13 17:55:35,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-07-13 17:55:35,902 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1982 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 6320 mSolverCounterSat, 869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 7189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 6320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:35,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 5456 Invalid, 7189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [869 Valid, 6320 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-13 17:55:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2022-07-13 17:55:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 695. [2022-07-13 17:55:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 542 states have internal predecessors, (770), 118 states have call successors, (118), 44 states have call predecessors, (118), 49 states have return successors, (129), 117 states have call predecessors, (129), 117 states have call successors, (129) [2022-07-13 17:55:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1017 transitions. [2022-07-13 17:55:35,936 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1017 transitions. Word has length 181 [2022-07-13 17:55:35,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:35,937 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 1017 transitions. [2022-07-13 17:55:35,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 17:55:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1017 transitions. [2022-07-13 17:55:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-13 17:55:35,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:35,939 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:35,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 17:55:35,940 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:35,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 993731461, now seen corresponding path program 1 times [2022-07-13 17:55:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:35,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738875994] [2022-07-13 17:55:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:35,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-13 17:55:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 17:55:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-13 17:55:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-13 17:55:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-13 17:55:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 17:55:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-13 17:55:36,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:36,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738875994] [2022-07-13 17:55:36,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738875994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:36,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:36,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 17:55:36,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934615343] [2022-07-13 17:55:36,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:36,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 17:55:36,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:36,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 17:55:36,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:36,088 INFO L87 Difference]: Start difference. First operand 695 states and 1017 transitions. Second operand has 12 states, 10 states have (on average 10.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 17:55:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:38,685 INFO L93 Difference]: Finished difference Result 1449 states and 2164 transitions. [2022-07-13 17:55:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 17:55:38,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2022-07-13 17:55:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:38,689 INFO L225 Difference]: With dead ends: 1449 [2022-07-13 17:55:38,689 INFO L226 Difference]: Without dead ends: 833 [2022-07-13 17:55:38,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2022-07-13 17:55:38,691 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 2153 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5202 mSolverCounterSat, 882 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2153 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 6084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 882 IncrementalHoareTripleChecker+Valid, 5202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:38,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2153 Valid, 2798 Invalid, 6084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [882 Valid, 5202 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-13 17:55:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2022-07-13 17:55:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 690. [2022-07-13 17:55:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 539 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2022-07-13 17:55:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1008 transitions. [2022-07-13 17:55:38,719 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1008 transitions. Word has length 181 [2022-07-13 17:55:38,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:38,720 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1008 transitions. [2022-07-13 17:55:38,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 17:55:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1008 transitions. [2022-07-13 17:55:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-13 17:55:38,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:38,722 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:38,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 17:55:38,722 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:38,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:38,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1536390128, now seen corresponding path program 2 times [2022-07-13 17:55:38,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:38,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860479507] [2022-07-13 17:55:38,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:38,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 17:55:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-13 17:55:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-13 17:55:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-13 17:55:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-13 17:55:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-13 17:55:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-13 17:55:38,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:38,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860479507] [2022-07-13 17:55:38,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860479507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:38,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:38,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-13 17:55:38,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492701848] [2022-07-13 17:55:38,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:38,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-13 17:55:38,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:38,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-13 17:55:38,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:38,894 INFO L87 Difference]: Start difference. First operand 690 states and 1008 transitions. Second operand has 13 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 17:55:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:41,767 INFO L93 Difference]: Finished difference Result 1448 states and 2165 transitions. [2022-07-13 17:55:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 17:55:41,768 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2022-07-13 17:55:41,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:41,771 INFO L225 Difference]: With dead ends: 1448 [2022-07-13 17:55:41,771 INFO L226 Difference]: Without dead ends: 835 [2022-07-13 17:55:41,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-07-13 17:55:41,773 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 1948 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 6124 mSolverCounterSat, 838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 3218 SdHoareTripleChecker+Invalid, 6962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 838 IncrementalHoareTripleChecker+Valid, 6124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:41,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 3218 Invalid, 6962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [838 Valid, 6124 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-13 17:55:41,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-07-13 17:55:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 692. [2022-07-13 17:55:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 541 states have internal predecessors, (769), 117 states have call successors, (117), 44 states have call predecessors, (117), 48 states have return successors, (128), 115 states have call predecessors, (128), 116 states have call successors, (128) [2022-07-13 17:55:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1014 transitions. [2022-07-13 17:55:41,804 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1014 transitions. Word has length 182 [2022-07-13 17:55:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:41,804 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1014 transitions. [2022-07-13 17:55:41,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 17:55:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1014 transitions. [2022-07-13 17:55:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-13 17:55:41,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:41,806 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:41,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 17:55:41,807 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:41,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash -189660486, now seen corresponding path program 1 times [2022-07-13 17:55:41,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:41,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217510763] [2022-07-13 17:55:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-13 17:55:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 17:55:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-13 17:55:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-13 17:55:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-13 17:55:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-13 17:55:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-13 17:55:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 17:55:41,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:41,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217510763] [2022-07-13 17:55:41,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217510763] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:41,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:41,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 17:55:41,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310954896] [2022-07-13 17:55:41,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:41,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 17:55:41,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:41,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 17:55:41,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:55:41,925 INFO L87 Difference]: Start difference. First operand 692 states and 1014 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 17:55:44,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:44,020 INFO L93 Difference]: Finished difference Result 1450 states and 2168 transitions. [2022-07-13 17:55:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 17:55:44,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 190 [2022-07-13 17:55:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:44,024 INFO L225 Difference]: With dead ends: 1450 [2022-07-13 17:55:44,024 INFO L226 Difference]: Without dead ends: 835 [2022-07-13 17:55:44,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2022-07-13 17:55:44,026 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 2177 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 3565 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 2299 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 3565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:44,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 2299 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 3565 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-13 17:55:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-07-13 17:55:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 692. [2022-07-13 17:55:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 541 states have internal predecessors, (769), 117 states have call successors, (117), 44 states have call predecessors, (117), 48 states have return successors, (128), 115 states have call predecessors, (128), 116 states have call successors, (128) [2022-07-13 17:55:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1014 transitions. [2022-07-13 17:55:44,060 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1014 transitions. Word has length 190 [2022-07-13 17:55:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:44,061 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1014 transitions. [2022-07-13 17:55:44,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 17:55:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1014 transitions. [2022-07-13 17:55:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-13 17:55:44,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:44,063 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:44,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 17:55:44,063 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash 868177592, now seen corresponding path program 1 times [2022-07-13 17:55:44,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:44,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254458537] [2022-07-13 17:55:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-13 17:55:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 17:55:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-13 17:55:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-13 17:55:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-13 17:55:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-13 17:55:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-13 17:55:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:44,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:44,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254458537] [2022-07-13 17:55:44,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254458537] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:44,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5513452] [2022-07-13 17:55:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:44,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:44,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:44,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:55:44,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 17:55:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:44,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 17:55:44,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:44,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 17:55:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:44,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5513452] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 17:55:44,575 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 17:55:44,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-13 17:55:44,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988546735] [2022-07-13 17:55:44,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 17:55:44,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 17:55:44,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:44,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 17:55:44,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:55:44,578 INFO L87 Difference]: Start difference. First operand 692 states and 1014 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-13 17:55:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:46,667 INFO L93 Difference]: Finished difference Result 1722 states and 2647 transitions. [2022-07-13 17:55:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 17:55:46,667 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 190 [2022-07-13 17:55:46,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:46,673 INFO L225 Difference]: With dead ends: 1722 [2022-07-13 17:55:46,673 INFO L226 Difference]: Without dead ends: 1398 [2022-07-13 17:55:46,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-13 17:55:46,674 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 2455 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 1044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 4329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:46,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 2906 Invalid, 4329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1044 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-13 17:55:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2022-07-13 17:55:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1231. [2022-07-13 17:55:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 986 states have (on average 1.5141987829614605) internal successors, (1493), 1001 states have internal predecessors, (1493), 196 states have call successors, (196), 44 states have call predecessors, (196), 48 states have return successors, (217), 194 states have call predecessors, (217), 195 states have call successors, (217) [2022-07-13 17:55:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1906 transitions. [2022-07-13 17:55:46,729 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1906 transitions. Word has length 190 [2022-07-13 17:55:46,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:46,730 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1906 transitions. [2022-07-13 17:55:46,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-13 17:55:46,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1906 transitions. [2022-07-13 17:55:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-13 17:55:46,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:46,733 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:46,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:46,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-13 17:55:46,948 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash 603602140, now seen corresponding path program 1 times [2022-07-13 17:55:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:46,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101388064] [2022-07-13 17:55:46,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:46,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-13 17:55:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-13 17:55:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-13 17:55:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-13 17:55:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-13 17:55:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-13 17:55:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:47,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:47,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101388064] [2022-07-13 17:55:47,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101388064] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:47,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:47,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:47,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261026798] [2022-07-13 17:55:47,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:47,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:47,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:47,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:47,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:47,050 INFO L87 Difference]: Start difference. First operand 1231 states and 1906 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:55:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:48,569 INFO L93 Difference]: Finished difference Result 2979 states and 4731 transitions. [2022-07-13 17:55:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:48,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2022-07-13 17:55:48,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:48,577 INFO L225 Difference]: With dead ends: 2979 [2022-07-13 17:55:48,578 INFO L226 Difference]: Without dead ends: 1883 [2022-07-13 17:55:48,581 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:55:48,581 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 1954 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:48,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 2019 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2022-07-13 17:55:48,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1732. [2022-07-13 17:55:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1408 states have (on average 1.5262784090909092) internal successors, (2149), 1423 states have internal predecessors, (2149), 275 states have call successors, (275), 44 states have call predecessors, (275), 48 states have return successors, (306), 273 states have call predecessors, (306), 274 states have call successors, (306) [2022-07-13 17:55:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2730 transitions. [2022-07-13 17:55:48,682 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2730 transitions. Word has length 187 [2022-07-13 17:55:48,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:48,682 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2730 transitions. [2022-07-13 17:55:48,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:55:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2730 transitions. [2022-07-13 17:55:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-13 17:55:48,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:48,687 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:48,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-13 17:55:48,688 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:48,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:48,688 INFO L85 PathProgramCache]: Analyzing trace with hash 549912264, now seen corresponding path program 1 times [2022-07-13 17:55:48,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:48,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008188407] [2022-07-13 17:55:48,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 17:55:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-13 17:55:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-13 17:55:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-13 17:55:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-13 17:55:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-13 17:55:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-13 17:55:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:48,774 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:48,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:48,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008188407] [2022-07-13 17:55:48,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008188407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:48,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:48,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:48,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723537312] [2022-07-13 17:55:48,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:48,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:48,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:48,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:48,777 INFO L87 Difference]: Start difference. First operand 1732 states and 2730 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:50,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:50,343 INFO L93 Difference]: Finished difference Result 4226 states and 6788 transitions. [2022-07-13 17:55:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:50,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 195 [2022-07-13 17:55:50,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:50,353 INFO L225 Difference]: With dead ends: 4226 [2022-07-13 17:55:50,353 INFO L226 Difference]: Without dead ends: 2692 [2022-07-13 17:55:50,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:50,356 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 1970 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 919 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:50,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 1970 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [919 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 17:55:50,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2022-07-13 17:55:50,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2541. [2022-07-13 17:55:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2541 states, 2098 states have (on average 1.5390848427073403) internal successors, (3229), 2113 states have internal predecessors, (3229), 394 states have call successors, (394), 44 states have call predecessors, (394), 48 states have return successors, (425), 392 states have call predecessors, (425), 393 states have call successors, (425) [2022-07-13 17:55:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 4048 transitions. [2022-07-13 17:55:50,452 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 4048 transitions. Word has length 195 [2022-07-13 17:55:50,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:50,453 INFO L495 AbstractCegarLoop]: Abstraction has 2541 states and 4048 transitions. [2022-07-13 17:55:50,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 4048 transitions. [2022-07-13 17:55:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-13 17:55:50,461 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:50,461 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:50,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 17:55:50,462 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:50,462 INFO L85 PathProgramCache]: Analyzing trace with hash -281148925, now seen corresponding path program 1 times [2022-07-13 17:55:50,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:50,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482886597] [2022-07-13 17:55:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:50,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-13 17:55:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-13 17:55:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-13 17:55:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-13 17:55:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-13 17:55:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-13 17:55:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:50,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:50,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482886597] [2022-07-13 17:55:50,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482886597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:50,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:50,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:50,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568522678] [2022-07-13 17:55:50,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:50,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:50,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:50,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:50,558 INFO L87 Difference]: Start difference. First operand 2541 states and 4048 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:55:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:52,055 INFO L93 Difference]: Finished difference Result 6125 states and 9945 transitions. [2022-07-13 17:55:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:52,055 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2022-07-13 17:55:52,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:52,068 INFO L225 Difference]: With dead ends: 6125 [2022-07-13 17:55:52,068 INFO L226 Difference]: Without dead ends: 3939 [2022-07-13 17:55:52,072 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:55:52,072 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 1968 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 883 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:52,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1960 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [883 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2022-07-13 17:55:52,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3788. [2022-07-13 17:55:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3183 states have (on average 1.5497957901350927) internal successors, (4933), 3198 states have internal predecessors, (4933), 556 states have call successors, (556), 44 states have call predecessors, (556), 48 states have return successors, (603), 554 states have call predecessors, (603), 555 states have call successors, (603) [2022-07-13 17:55:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 6092 transitions. [2022-07-13 17:55:52,228 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 6092 transitions. Word has length 189 [2022-07-13 17:55:52,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:52,229 INFO L495 AbstractCegarLoop]: Abstraction has 3788 states and 6092 transitions. [2022-07-13 17:55:52,230 INFO L496 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, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:55:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 6092 transitions. [2022-07-13 17:55:52,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-13 17:55:52,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:52,239 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:52,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 17:55:52,239 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:52,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:52,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1497276490, now seen corresponding path program 1 times [2022-07-13 17:55:52,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:52,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44856285] [2022-07-13 17:55:52,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:52,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-13 17:55:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-13 17:55:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-13 17:55:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-13 17:55:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-13 17:55:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-13 17:55:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:52,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:52,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44856285] [2022-07-13 17:55:52,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44856285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:52,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:52,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:52,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723497143] [2022-07-13 17:55:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:52,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:52,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:52,339 INFO L87 Difference]: Start difference. First operand 3788 states and 6092 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:55:53,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:53,939 INFO L93 Difference]: Finished difference Result 9127 states and 14954 transitions. [2022-07-13 17:55:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:53,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2022-07-13 17:55:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:53,961 INFO L225 Difference]: With dead ends: 9127 [2022-07-13 17:55:53,961 INFO L226 Difference]: Without dead ends: 5953 [2022-07-13 17:55:53,967 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:55:53,967 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 1987 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:53,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 1954 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [912 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:53,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5953 states. [2022-07-13 17:55:54,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5953 to 5802. [2022-07-13 17:55:54,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5802 states, 4952 states have (on average 1.5587641357027464) internal successors, (7719), 4967 states have internal predecessors, (7719), 801 states have call successors, (801), 44 states have call predecessors, (801), 48 states have return successors, (874), 799 states have call predecessors, (874), 800 states have call successors, (874) [2022-07-13 17:55:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5802 states to 5802 states and 9394 transitions. [2022-07-13 17:55:54,221 INFO L78 Accepts]: Start accepts. Automaton has 5802 states and 9394 transitions. Word has length 190 [2022-07-13 17:55:54,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:54,222 INFO L495 AbstractCegarLoop]: Abstraction has 5802 states and 9394 transitions. [2022-07-13 17:55:54,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:55:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 5802 states and 9394 transitions. [2022-07-13 17:55:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-13 17:55:54,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:54,232 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:54,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 17:55:54,232 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:54,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:54,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1153688354, now seen corresponding path program 1 times [2022-07-13 17:55:54,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:54,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137550835] [2022-07-13 17:55:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:54,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-13 17:55:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 17:55:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-13 17:55:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-13 17:55:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-13 17:55:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-13 17:55:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-13 17:55:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:54,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:54,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137550835] [2022-07-13 17:55:54,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137550835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:54,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:54,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:54,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841490158] [2022-07-13 17:55:54,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:54,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:54,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:54,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:54,307 INFO L87 Difference]: Start difference. First operand 5802 states and 9394 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:56,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:56,004 INFO L93 Difference]: Finished difference Result 14120 states and 23252 transitions. [2022-07-13 17:55:56,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:56,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-07-13 17:55:56,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:56,033 INFO L225 Difference]: With dead ends: 14120 [2022-07-13 17:55:56,033 INFO L226 Difference]: Without dead ends: 9328 [2022-07-13 17:55:56,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:56,047 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 1965 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:56,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 2004 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:56,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9328 states. [2022-07-13 17:55:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9328 to 9177. [2022-07-13 17:55:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9177 states, 7834 states have (on average 1.5564207301506254) internal successors, (12193), 7849 states have internal predecessors, (12193), 1294 states have call successors, (1294), 44 states have call predecessors, (1294), 48 states have return successors, (1411), 1292 states have call predecessors, (1411), 1293 states have call successors, (1411) [2022-07-13 17:55:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9177 states to 9177 states and 14898 transitions. [2022-07-13 17:55:56,431 INFO L78 Accepts]: Start accepts. Automaton has 9177 states and 14898 transitions. Word has length 198 [2022-07-13 17:55:56,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:56,431 INFO L495 AbstractCegarLoop]: Abstraction has 9177 states and 14898 transitions. [2022-07-13 17:55:56,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 9177 states and 14898 transitions. [2022-07-13 17:55:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-13 17:55:56,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:56,450 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:56,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 17:55:56,451 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:56,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:56,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1779124811, now seen corresponding path program 1 times [2022-07-13 17:55:56,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:56,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060880830] [2022-07-13 17:55:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:56,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-13 17:55:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-13 17:55:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-13 17:55:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-13 17:55:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-13 17:55:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-13 17:55:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-13 17:55:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:56,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:56,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060880830] [2022-07-13 17:55:56,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060880830] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:56,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:56,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:56,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803945635] [2022-07-13 17:55:56,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:56,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:56,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:56,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:56,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:56,585 INFO L87 Difference]: Start difference. First operand 9177 states and 14898 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, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:58,414 INFO L93 Difference]: Finished difference Result 23073 states and 38128 transitions. [2022-07-13 17:55:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:58,414 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, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 199 [2022-07-13 17:55:58,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:58,456 INFO L225 Difference]: With dead ends: 23073 [2022-07-13 17:55:58,456 INFO L226 Difference]: Without dead ends: 15402 [2022-07-13 17:55:58,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:55:58,476 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 1983 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:58,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 1959 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [912 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15402 states. [2022-07-13 17:55:59,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15402 to 15251. [2022-07-13 17:55:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15251 states, 13086 states have (on average 1.5623567171022468) internal successors, (20445), 13101 states have internal predecessors, (20445), 2116 states have call successors, (2116), 44 states have call predecessors, (2116), 48 states have return successors, (2311), 2114 states have call predecessors, (2311), 2115 states have call successors, (2311) [2022-07-13 17:55:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15251 states to 15251 states and 24872 transitions. [2022-07-13 17:55:59,128 INFO L78 Accepts]: Start accepts. Automaton has 15251 states and 24872 transitions. Word has length 199 [2022-07-13 17:55:59,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:59,128 INFO L495 AbstractCegarLoop]: Abstraction has 15251 states and 24872 transitions. [2022-07-13 17:55:59,129 INFO L496 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, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:55:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 15251 states and 24872 transitions. [2022-07-13 17:55:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-13 17:55:59,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:59,151 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:55:59,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-13 17:55:59,151 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:59,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:59,151 INFO L85 PathProgramCache]: Analyzing trace with hash -439265569, now seen corresponding path program 1 times [2022-07-13 17:55:59,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:59,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355075851] [2022-07-13 17:55:59,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:55:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:55:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:55:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:55:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:55:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:55:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:55:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-13 17:55:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 17:55:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-13 17:55:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-13 17:55:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-13 17:55:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-13 17:55:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:55:59,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:59,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355075851] [2022-07-13 17:55:59,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355075851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:59,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:59,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:59,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394911345] [2022-07-13 17:55:59,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:59,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:59,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:59,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:59,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:59,231 INFO L87 Difference]: Start difference. First operand 15251 states and 24872 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:56:01,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:56:01,477 INFO L93 Difference]: Finished difference Result 36882 states and 60512 transitions. [2022-07-13 17:56:01,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:56:01,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2022-07-13 17:56:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:56:01,548 INFO L225 Difference]: With dead ends: 36882 [2022-07-13 17:56:01,549 INFO L226 Difference]: Without dead ends: 24271 [2022-07-13 17:56:01,575 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:56:01,575 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 1941 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 870 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 17:56:01,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 1966 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [870 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 17:56:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24271 states. [2022-07-13 17:56:02,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24271 to 24120. [2022-07-13 17:56:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24120 states, 20752 states have (on average 1.5354182729375483) internal successors, (31863), 20767 states have internal predecessors, (31863), 3319 states have call successors, (3319), 44 states have call predecessors, (3319), 48 states have return successors, (3658), 3317 states have call predecessors, (3658), 3318 states have call successors, (3658) [2022-07-13 17:56:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24120 states to 24120 states and 38840 transitions. [2022-07-13 17:56:02,619 INFO L78 Accepts]: Start accepts. Automaton has 24120 states and 38840 transitions. Word has length 193 [2022-07-13 17:56:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:56:02,619 INFO L495 AbstractCegarLoop]: Abstraction has 24120 states and 38840 transitions. [2022-07-13 17:56:02,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 17:56:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24120 states and 38840 transitions. [2022-07-13 17:56:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-13 17:56:02,640 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:56:02,640 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:56:02,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-13 17:56:02,641 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:56:02,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:56:02,641 INFO L85 PathProgramCache]: Analyzing trace with hash 166441101, now seen corresponding path program 1 times [2022-07-13 17:56:02,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:56:02,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772449867] [2022-07-13 17:56:02,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:56:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:56:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:56:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:56:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:56:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:56:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:56:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:56:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:56:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:56:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:56:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:56:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:56:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:56:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:56:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:56:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-13 17:56:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-13 17:56:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-13 17:56:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-13 17:56:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-13 17:56:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-13 17:56:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-13 17:56:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:56:02,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:56:02,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772449867] [2022-07-13 17:56:02,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772449867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:56:02,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:56:02,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:56:02,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432361264] [2022-07-13 17:56:02,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:56:02,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:56:02,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:56:02,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:56:02,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:56:02,853 INFO L87 Difference]: Start difference. First operand 24120 states and 38840 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:56:05,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:56:05,578 INFO L93 Difference]: Finished difference Result 63735 states and 104200 transitions. [2022-07-13 17:56:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:56:05,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 201 [2022-07-13 17:56:05,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:56:05,725 INFO L225 Difference]: With dead ends: 63735 [2022-07-13 17:56:05,725 INFO L226 Difference]: Without dead ends: 43067 [2022-07-13 17:56:05,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:56:05,779 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 1939 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:56:05,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 1967 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:56:05,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43067 states. [2022-07-13 17:56:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43067 to 42916. [2022-07-13 17:56:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42916 states, 37098 states have (on average 1.5354736104372204) internal successors, (56963), 37113 states have internal predecessors, (56963), 5769 states have call successors, (5769), 44 states have call predecessors, (5769), 48 states have return successors, (6382), 5767 states have call predecessors, (6382), 5768 states have call successors, (6382) [2022-07-13 17:56:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42916 states to 42916 states and 69114 transitions. [2022-07-13 17:56:07,661 INFO L78 Accepts]: Start accepts. Automaton has 42916 states and 69114 transitions. Word has length 201 [2022-07-13 17:56:07,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:56:07,662 INFO L495 AbstractCegarLoop]: Abstraction has 42916 states and 69114 transitions. [2022-07-13 17:56:07,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:56:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 42916 states and 69114 transitions. [2022-07-13 17:56:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-13 17:56:07,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:56:07,683 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:56:07,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-13 17:56:07,683 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:56:07,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:56:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1619790436, now seen corresponding path program 1 times [2022-07-13 17:56:07,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:56:07,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167742244] [2022-07-13 17:56:07,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:56:07,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:56:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:56:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:56:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:56:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:56:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:56:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:56:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:56:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:56:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:56:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:56:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:56:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:56:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:56:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:56:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-13 17:56:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-13 17:56:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-13 17:56:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-13 17:56:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-13 17:56:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-13 17:56:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-13 17:56:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:56:07,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:56:07,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167742244] [2022-07-13 17:56:07,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167742244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:56:07,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:56:07,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:56:07,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181391550] [2022-07-13 17:56:07,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:56:07,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:56:07,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:56:07,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:56:07,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:56:07,766 INFO L87 Difference]: Start difference. First operand 42916 states and 69114 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:56:11,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:56:11,923 INFO L93 Difference]: Finished difference Result 116397 states and 190154 transitions. [2022-07-13 17:56:11,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:56:11,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 202 [2022-07-13 17:56:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:56:12,156 INFO L225 Difference]: With dead ends: 116397 [2022-07-13 17:56:12,156 INFO L226 Difference]: Without dead ends: 78109 [2022-07-13 17:56:12,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:56:12,223 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 1956 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:56:12,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 1978 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [887 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:56:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78109 states. [2022-07-13 17:56:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78109 to 77958. [2022-07-13 17:56:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77958 states, 67627 states have (on average 1.5391042039422125) internal successors, (104085), 67642 states have internal predecessors, (104085), 10282 states have call successors, (10282), 44 states have call predecessors, (10282), 48 states have return successors, (11427), 10280 states have call predecessors, (11427), 10281 states have call successors, (11427) [2022-07-13 17:56:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77958 states to 77958 states and 125794 transitions. [2022-07-13 17:56:15,658 INFO L78 Accepts]: Start accepts. Automaton has 77958 states and 125794 transitions. Word has length 202 [2022-07-13 17:56:15,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:56:15,659 INFO L495 AbstractCegarLoop]: Abstraction has 77958 states and 125794 transitions. [2022-07-13 17:56:15,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:56:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 77958 states and 125794 transitions. [2022-07-13 17:56:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-13 17:56:15,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:56:15,682 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:56:15,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-13 17:56:15,683 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:56:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:56:15,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1754430279, now seen corresponding path program 1 times [2022-07-13 17:56:15,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:56:15,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520129152] [2022-07-13 17:56:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:56:15,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:56:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:56:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:56:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:56:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:56:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:56:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:56:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:56:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:56:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:56:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:56:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:56:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:56:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:56:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:56:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 17:56:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-13 17:56:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-13 17:56:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-13 17:56:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-13 17:56:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-13 17:56:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-13 17:56:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:56:15,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:56:15,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520129152] [2022-07-13 17:56:15,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520129152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:56:15,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:56:15,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:56:15,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161498362] [2022-07-13 17:56:15,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:56:15,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:56:15,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:56:15,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:56:15,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:56:15,769 INFO L87 Difference]: Start difference. First operand 77958 states and 125794 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:56:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:56:21,647 INFO L93 Difference]: Finished difference Result 145858 states and 239415 transitions. [2022-07-13 17:56:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:56:21,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 203 [2022-07-13 17:56:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:56:22,186 INFO L225 Difference]: With dead ends: 145858 [2022-07-13 17:56:22,186 INFO L226 Difference]: Without dead ends: 145534 [2022-07-13 17:56:22,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:56:22,249 INFO L413 NwaCegarLoop]: 888 mSDtfsCounter, 1950 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 901 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:56:22,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 1961 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [901 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:56:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145534 states. [2022-07-13 17:56:28,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145534 to 145383. [2022-07-13 17:56:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145383 states, 126684 states have (on average 1.5382052982223484) internal successors, (194866), 126699 states have internal predecessors, (194866), 18650 states have call successors, (18650), 44 states have call predecessors, (18650), 48 states have return successors, (20841), 18648 states have call predecessors, (20841), 18649 states have call successors, (20841) [2022-07-13 17:56:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145383 states to 145383 states and 234357 transitions. [2022-07-13 17:56:29,319 INFO L78 Accepts]: Start accepts. Automaton has 145383 states and 234357 transitions. Word has length 203 [2022-07-13 17:56:29,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:56:29,319 INFO L495 AbstractCegarLoop]: Abstraction has 145383 states and 234357 transitions. [2022-07-13 17:56:29,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 17:56:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 145383 states and 234357 transitions. [2022-07-13 17:56:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-13 17:56:29,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:56:29,356 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:56:29,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-13 17:56:29,357 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:56:29,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:56:29,357 INFO L85 PathProgramCache]: Analyzing trace with hash -754767060, now seen corresponding path program 1 times [2022-07-13 17:56:29,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:56:29,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770590624] [2022-07-13 17:56:29,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:56:29,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:56:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:56:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:56:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:56:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:56:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:56:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:56:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 17:56:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:56:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:56:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:56:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:56:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:56:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:56:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:56:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:56:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-13 17:56:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-13 17:56:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-13 17:56:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-13 17:56:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-13 17:56:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-13 17:56:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-13 17:56:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 17:56:29,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:56:29,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770590624] [2022-07-13 17:56:29,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770590624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:56:29,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:56:29,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-07-13 17:56:29,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823415819] [2022-07-13 17:56:29,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:56:29,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-13 17:56:29,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:56:29,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-13 17:56:29,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-07-13 17:56:29,779 INFO L87 Difference]: Start difference. First operand 145383 states and 234357 transitions. Second operand has 18 states, 16 states have (on average 7.75) internal successors, (124), 12 states have internal predecessors, (124), 7 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-07-13 17:56:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:56:46,623 INFO L93 Difference]: Finished difference Result 290146 states and 479780 transitions. [2022-07-13 17:56:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-07-13 17:56:46,624 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 7.75) internal successors, (124), 12 states have internal predecessors, (124), 7 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 204 [2022-07-13 17:56:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:56:48,065 INFO L225 Difference]: With dead ends: 290146 [2022-07-13 17:56:48,065 INFO L226 Difference]: Without dead ends: 289828 [2022-07-13 17:56:48,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=872, Invalid=3820, Unknown=0, NotChecked=0, Total=4692 [2022-07-13 17:56:48,168 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 6602 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 14597 mSolverCounterSat, 3616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6602 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 18213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3616 IncrementalHoareTripleChecker+Valid, 14597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-13 17:56:48,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6602 Valid, 5265 Invalid, 18213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3616 Valid, 14597 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-13 17:56:48,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289828 states.