./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:04:20,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:04:20,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:04:20,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:04:20,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:04:20,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:04:20,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:04:20,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:04:20,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:04:20,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:04:20,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:04:20,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:04:20,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:04:20,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:04:20,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:04:20,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:04:20,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:04:20,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:04:20,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:04:20,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:04:20,153 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:04:20,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:04:20,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:04:20,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:04:20,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:04:20,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:04:20,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:04:20,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:04:20,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:04:20,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:04:20,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:04:20,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:04:20,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:04:20,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:04:20,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:04:20,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:04:20,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:04:20,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:04:20,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:04:20,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:04:20,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:04:20,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:04:20,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:04:20,194 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:04:20,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:04:20,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:04:20,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:04:20,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:04:20,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:04:20,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:04:20,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:04:20,200 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:04:20,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:04:20,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:04:20,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:04:20,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:04:20,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:04:20,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:04:20,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:04:20,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:04:20,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:04:20,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:04:20,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:04:20,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:04:20,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:04:20,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:04:20,204 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:04:20,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:04:20,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:04:20,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b [2022-07-12 06:04:20,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:04:20,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:04:20,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:04:20,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:04:20,417 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:04:20,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2022-07-12 06:04:20,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455339ab6/d7bf6bd715b5483493a6da8eaec4f9f4/FLAGf8d40db7d [2022-07-12 06:04:20,960 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:04:20,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2022-07-12 06:04:20,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455339ab6/d7bf6bd715b5483493a6da8eaec4f9f4/FLAGf8d40db7d [2022-07-12 06:04:21,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455339ab6/d7bf6bd715b5483493a6da8eaec4f9f4 [2022-07-12 06:04:21,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:04:21,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:04:21,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:04:21,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:04:21,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:04:21,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27abf8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21, skipping insertion in model container [2022-07-12 06:04:21,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:04:21,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:04:21,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2022-07-12 06:04:21,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:04:21,771 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:04:21,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2022-07-12 06:04:21,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:04:21,861 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:04:21,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21 WrapperNode [2022-07-12 06:04:21,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:04:21,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:04:21,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:04:21,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:04:21,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,953 INFO L137 Inliner]: procedures = 131, calls = 228, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 930 [2022-07-12 06:04:21,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:04:21,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:04:21,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:04:21,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:04:21,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:21,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:22,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:22,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:22,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:04:22,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:04:22,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:04:22,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:04:22,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (1/1) ... [2022-07-12 06:04:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:04:22,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:22,072 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) [2022-07-12 06:04:22,073 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 [2022-07-12 06:04:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-12 06:04:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-12 06:04:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-12 06:04:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-12 06:04:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-12 06:04:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-12 06:04:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-12 06:04:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-12 06:04:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-12 06:04:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-12 06:04:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-12 06:04:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-12 06:04:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-12 06:04:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-12 06:04:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-12 06:04:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-12 06:04:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-12 06:04:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-12 06:04:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-12 06:04:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-12 06:04:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-12 06:04:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-12 06:04:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-12 06:04:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-12 06:04:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-12 06:04:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-12 06:04:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-12 06:04:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-12 06:04:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-12 06:04:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:04:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-12 06:04:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-12 06:04:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-12 06:04:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-12 06:04:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-12 06:04:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-12 06:04:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-12 06:04:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-12 06:04:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-12 06:04:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-12 06:04:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-12 06:04:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-12 06:04:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2022-07-12 06:04:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2022-07-12 06:04:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-07-12 06:04:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-07-12 06:04:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-12 06:04:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-12 06:04:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-12 06:04:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-12 06:04:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-12 06:04:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-12 06:04:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-12 06:04:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-12 06:04:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-12 06:04:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-12 06:04:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:04:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-12 06:04:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-12 06:04:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-12 06:04:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-12 06:04:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:04:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:04:22,296 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:04:22,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:04:22,933 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:04:22,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:04:22,941 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 06:04:22,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:04:22 BoogieIcfgContainer [2022-07-12 06:04:22,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:04:22,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:04:22,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:04:22,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:04:22,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:04:21" (1/3) ... [2022-07-12 06:04:22,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9da9f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:04:22, skipping insertion in model container [2022-07-12 06:04:22,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:04:21" (2/3) ... [2022-07-12 06:04:22,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9da9f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:04:22, skipping insertion in model container [2022-07-12 06:04:22,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:04:22" (3/3) ... [2022-07-12 06:04:22,953 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2022-07-12 06:04:22,963 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:04:22,963 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:04:23,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:04:23,015 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@359bd8ae, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@68bb4b19 [2022-07-12 06:04:23,015 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:04:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 320 states have (on average 1.553125) internal successors, (497), 325 states have internal predecessors, (497), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2022-07-12 06:04:23,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-12 06:04:23,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:23,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:23,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:23,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:23,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1476793235, now seen corresponding path program 1 times [2022-07-12 06:04:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:23,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788121596] [2022-07-12 06:04:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:23,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:04:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:04:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 06:04:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 06:04:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 06:04:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:04:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 06:04:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:04:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 06:04:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 06:04:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 06:04:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 06:04:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 06:04:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 06:04:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 06:04:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 06:04:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 06:04:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 06:04:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 06:04:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-12 06:04:23,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:23,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788121596] [2022-07-12 06:04:23,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788121596] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:04:23,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140990642] [2022-07-12 06:04:23,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:23,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:23,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:23,485 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) [2022-07-12 06:04:23,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:04:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:23,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 06:04:23,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:04:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-12 06:04:23,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:04:23,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140990642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:23,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:04:23,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-12 06:04:23,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220558760] [2022-07-12 06:04:23,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:23,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:04:23,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:23,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:04:23,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:04:23,856 INFO L87 Difference]: Start difference. First operand has 415 states, 320 states have (on average 1.553125) internal successors, (497), 325 states have internal predecessors, (497), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:23,923 INFO L93 Difference]: Finished difference Result 642 states and 948 transitions. [2022-07-12 06:04:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:04:23,925 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2022-07-12 06:04:23,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:23,937 INFO L225 Difference]: With dead ends: 642 [2022-07-12 06:04:23,937 INFO L226 Difference]: Without dead ends: 408 [2022-07-12 06:04:23,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:04:23,944 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:23,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:04:23,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-07-12 06:04:23,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2022-07-12 06:04:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 314 states have (on average 1.5477707006369428) internal successors, (486), 318 states have internal predecessors, (486), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2022-07-12 06:04:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 613 transitions. [2022-07-12 06:04:23,997 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 613 transitions. Word has length 170 [2022-07-12 06:04:23,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:23,998 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 613 transitions. [2022-07-12 06:04:23,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 613 transitions. [2022-07-12 06:04:24,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-07-12 06:04:24,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:24,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:24,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:04:24,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-12 06:04:24,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:24,224 INFO L85 PathProgramCache]: Analyzing trace with hash -545010507, now seen corresponding path program 1 times [2022-07-12 06:04:24,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:24,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628081201] [2022-07-12 06:04:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:24,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:04:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:04:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 06:04:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 06:04:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 06:04:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 06:04:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 06:04:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 06:04:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 06:04:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 06:04:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 06:04:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 06:04:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 06:04:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 06:04:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 06:04:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 06:04:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-12 06:04:24,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:24,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628081201] [2022-07-12 06:04:24,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628081201] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:04:24,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599786215] [2022-07-12 06:04:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:24,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:24,447 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) [2022-07-12 06:04:24,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 06:04:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:24,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 06:04:24,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:04:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-12 06:04:24,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:04:24,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599786215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:24,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:04:24,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 06:04:24,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369162878] [2022-07-12 06:04:24,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:24,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:04:24,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:24,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:04:24,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:04:24,774 INFO L87 Difference]: Start difference. First operand 408 states and 613 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:24,815 INFO L93 Difference]: Finished difference Result 632 states and 926 transitions. [2022-07-12 06:04:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:04:24,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 152 [2022-07-12 06:04:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:24,820 INFO L225 Difference]: With dead ends: 632 [2022-07-12 06:04:24,820 INFO L226 Difference]: Without dead ends: 411 [2022-07-12 06:04:24,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:04:24,822 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:24,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1220 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:04:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-07-12 06:04:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 410. [2022-07-12 06:04:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 316 states have (on average 1.5443037974683544) internal successors, (488), 320 states have internal predecessors, (488), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2022-07-12 06:04:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 615 transitions. [2022-07-12 06:04:24,848 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 615 transitions. Word has length 152 [2022-07-12 06:04:24,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:24,848 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 615 transitions. [2022-07-12 06:04:24,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 615 transitions. [2022-07-12 06:04:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-12 06:04:24,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:24,851 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:24,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 06:04:25,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-12 06:04:25,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:25,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1260799038, now seen corresponding path program 1 times [2022-07-12 06:04:25,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:25,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936677052] [2022-07-12 06:04:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:04:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:04:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 06:04:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 06:04:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 06:04:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 06:04:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 06:04:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 06:04:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 06:04:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 06:04:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 06:04:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 06:04:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 06:04:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 06:04:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 06:04:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 06:04:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-12 06:04:25,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:25,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936677052] [2022-07-12 06:04:25,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936677052] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:04:25,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242877332] [2022-07-12 06:04:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:25,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:25,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:25,180 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) [2022-07-12 06:04:25,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 06:04:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 06:04:25,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:04:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-12 06:04:25,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:04:25,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242877332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:25,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:04:25,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 06:04:25,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941892386] [2022-07-12 06:04:25,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:25,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:04:25,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:25,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:04:25,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:04:25,507 INFO L87 Difference]: Start difference. First operand 410 states and 615 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:25,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:25,547 INFO L93 Difference]: Finished difference Result 863 states and 1314 transitions. [2022-07-12 06:04:25,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:04:25,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2022-07-12 06:04:25,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:25,550 INFO L225 Difference]: With dead ends: 863 [2022-07-12 06:04:25,550 INFO L226 Difference]: Without dead ends: 480 [2022-07-12 06:04:25,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:04:25,554 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 126 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:25,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1208 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:04:25,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-07-12 06:04:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2022-07-12 06:04:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 364 states have (on average 1.5631868131868132) internal successors, (569), 368 states have internal predecessors, (569), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2022-07-12 06:04:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 724 transitions. [2022-07-12 06:04:25,595 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 724 transitions. Word has length 158 [2022-07-12 06:04:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:25,596 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 724 transitions. [2022-07-12 06:04:25,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 724 transitions. [2022-07-12 06:04:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-12 06:04:25,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:25,604 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:25,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 06:04:25,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:25,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:25,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:25,825 INFO L85 PathProgramCache]: Analyzing trace with hash 623752647, now seen corresponding path program 1 times [2022-07-12 06:04:25,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:25,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105851476] [2022-07-12 06:04:25,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:04:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:04:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 06:04:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 06:04:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 06:04:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 06:04:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:04:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 06:04:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 06:04:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 06:04:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 06:04:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 06:04:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 06:04:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 06:04:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 06:04:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 06:04:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-12 06:04:25,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:25,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105851476] [2022-07-12 06:04:25,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105851476] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:04:25,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39149903] [2022-07-12 06:04:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:25,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:25,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:25,931 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) [2022-07-12 06:04:25,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 06:04:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 06:04:26,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:04:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-12 06:04:26,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:04:26,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39149903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:26,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:04:26,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-12 06:04:26,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170443886] [2022-07-12 06:04:26,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:26,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:04:26,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:26,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:04:26,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:04:26,211 INFO L87 Difference]: Start difference. First operand 472 states and 724 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:26,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:26,259 INFO L93 Difference]: Finished difference Result 935 states and 1438 transitions. [2022-07-12 06:04:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:04:26,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2022-07-12 06:04:26,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:26,263 INFO L225 Difference]: With dead ends: 935 [2022-07-12 06:04:26,263 INFO L226 Difference]: Without dead ends: 474 [2022-07-12 06:04:26,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:04:26,265 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 144 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:26,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 2249 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:04:26,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-07-12 06:04:26,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2022-07-12 06:04:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 365 states have (on average 1.5616438356164384) internal successors, (570), 370 states have internal predecessors, (570), 78 states have call successors, (78), 29 states have call predecessors, (78), 30 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2022-07-12 06:04:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 727 transitions. [2022-07-12 06:04:26,282 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 727 transitions. Word has length 159 [2022-07-12 06:04:26,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:26,282 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 727 transitions. [2022-07-12 06:04:26,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 727 transitions. [2022-07-12 06:04:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-12 06:04:26,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:26,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:26,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 06:04:26,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:26,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:26,516 INFO L85 PathProgramCache]: Analyzing trace with hash 817381486, now seen corresponding path program 1 times [2022-07-12 06:04:26,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:26,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161621163] [2022-07-12 06:04:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:26,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 06:04:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 06:04:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 06:04:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:04:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 06:04:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 06:04:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 06:04:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 06:04:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 06:04:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 06:04:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 06:04:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 06:04:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 06:04:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 06:04:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 06:04:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-12 06:04:26,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:26,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161621163] [2022-07-12 06:04:26,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161621163] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:04:26,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243966682] [2022-07-12 06:04:26,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:26,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:26,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:26,639 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) [2022-07-12 06:04:26,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 06:04:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:26,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 06:04:26,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:04:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-12 06:04:26,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:04:26,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243966682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:26,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:04:26,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-12 06:04:26,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430181430] [2022-07-12 06:04:26,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:26,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:04:26,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:26,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:04:26,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:04:26,910 INFO L87 Difference]: Start difference. First operand 474 states and 727 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:26,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:26,960 INFO L93 Difference]: Finished difference Result 937 states and 1443 transitions. [2022-07-12 06:04:26,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:04:26,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2022-07-12 06:04:26,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:26,963 INFO L225 Difference]: With dead ends: 937 [2022-07-12 06:04:26,963 INFO L226 Difference]: Without dead ends: 476 [2022-07-12 06:04:26,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-12 06:04:26,965 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 143 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:26,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 2238 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:04:26,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-07-12 06:04:26,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2022-07-12 06:04:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 366 states have (on average 1.5601092896174864) internal successors, (571), 372 states have internal predecessors, (571), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2022-07-12 06:04:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 733 transitions. [2022-07-12 06:04:26,979 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 733 transitions. Word has length 160 [2022-07-12 06:04:26,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:26,979 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 733 transitions. [2022-07-12 06:04:26,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 733 transitions. [2022-07-12 06:04:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 06:04:26,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:26,981 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:27,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 06:04:27,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:27,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:27,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:27,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1179092392, now seen corresponding path program 1 times [2022-07-12 06:04:27,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:27,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880613455] [2022-07-12 06:04:27,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:27,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 06:04:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 06:04:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 06:04:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 06:04:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 06:04:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 06:04:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 06:04:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 06:04:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 06:04:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 06:04:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 06:04:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 06:04:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 06:04:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 06:04:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-12 06:04:27,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:27,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880613455] [2022-07-12 06:04:27,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880613455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:27,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:27,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 06:04:27,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384369921] [2022-07-12 06:04:27,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:27,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 06:04:27,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:27,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 06:04:27,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:04:27,326 INFO L87 Difference]: Start difference. First operand 476 states and 733 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:28,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:28,759 INFO L93 Difference]: Finished difference Result 1033 states and 1610 transitions. [2022-07-12 06:04:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 06:04:28,759 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2022-07-12 06:04:28,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:28,763 INFO L225 Difference]: With dead ends: 1033 [2022-07-12 06:04:28,763 INFO L226 Difference]: Without dead ends: 580 [2022-07-12 06:04:28,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-12 06:04:28,765 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 1511 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:28,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 1589 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 2151 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 06:04:28,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-07-12 06:04:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 476. [2022-07-12 06:04:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 366 states have (on average 1.5601092896174864) internal successors, (571), 372 states have internal predecessors, (571), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (83), 76 states have call predecessors, (83), 77 states have call successors, (83) [2022-07-12 06:04:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 732 transitions. [2022-07-12 06:04:28,789 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 732 transitions. Word has length 161 [2022-07-12 06:04:28,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:28,789 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 732 transitions. [2022-07-12 06:04:28,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 732 transitions. [2022-07-12 06:04:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-12 06:04:28,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:28,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:28,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:04:28,792 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:28,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:28,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1341554771, now seen corresponding path program 2 times [2022-07-12 06:04:28,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:28,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820645842] [2022-07-12 06:04:28,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:28,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 06:04:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 06:04:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 06:04:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:04:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 06:04:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 06:04:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 06:04:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 06:04:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 06:04:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 06:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 06:04:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 06:04:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 06:04:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 06:04:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-12 06:04:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:28,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820645842] [2022-07-12 06:04:28,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820645842] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:28,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:28,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 06:04:28,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952061160] [2022-07-12 06:04:28,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:28,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 06:04:28,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:28,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 06:04:28,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:04:28,888 INFO L87 Difference]: Start difference. First operand 476 states and 732 transitions. Second operand has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:30,310 INFO L93 Difference]: Finished difference Result 1035 states and 1613 transitions. [2022-07-12 06:04:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 06:04:30,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2022-07-12 06:04:30,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:30,315 INFO L225 Difference]: With dead ends: 1035 [2022-07-12 06:04:30,315 INFO L226 Difference]: Without dead ends: 582 [2022-07-12 06:04:30,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-12 06:04:30,317 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1495 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:30,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1595 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 06:04:30,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-07-12 06:04:30,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 478. [2022-07-12 06:04:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 367 states have (on average 1.55858310626703) internal successors, (572), 374 states have internal predecessors, (572), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (85), 76 states have call predecessors, (85), 77 states have call successors, (85) [2022-07-12 06:04:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 735 transitions. [2022-07-12 06:04:30,341 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 735 transitions. Word has length 162 [2022-07-12 06:04:30,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:30,341 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 735 transitions. [2022-07-12 06:04:30,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 06:04:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 735 transitions. [2022-07-12 06:04:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-12 06:04:30,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:30,344 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:30,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:04:30,345 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1921417712, now seen corresponding path program 1 times [2022-07-12 06:04:30,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:30,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147811348] [2022-07-12 06:04:30,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 06:04:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 06:04:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 06:04:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 06:04:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 06:04:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 06:04:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 06:04:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 06:04:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 06:04:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 06:04:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 06:04:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 06:04:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 06:04:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 06:04:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 06:04:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 06:04:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 06:04:30,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:30,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147811348] [2022-07-12 06:04:30,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147811348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:30,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:30,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 06:04:30,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477552744] [2022-07-12 06:04:30,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:30,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 06:04:30,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:30,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 06:04:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:04:30,499 INFO L87 Difference]: Start difference. First operand 478 states and 735 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-12 06:04:32,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:32,508 INFO L93 Difference]: Finished difference Result 1033 states and 1608 transitions. [2022-07-12 06:04:32,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 06:04:32,508 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2022-07-12 06:04:32,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:32,511 INFO L225 Difference]: With dead ends: 1033 [2022-07-12 06:04:32,511 INFO L226 Difference]: Without dead ends: 582 [2022-07-12 06:04:32,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-12 06:04:32,513 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 1684 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 3816 mSolverCounterSat, 608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 3816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:32,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 1916 Invalid, 4424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 3816 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 06:04:32,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-07-12 06:04:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 478. [2022-07-12 06:04:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 367 states have (on average 1.55858310626703) internal successors, (572), 374 states have internal predecessors, (572), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2022-07-12 06:04:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 734 transitions. [2022-07-12 06:04:32,534 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 734 transitions. Word has length 182 [2022-07-12 06:04:32,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:32,534 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 734 transitions. [2022-07-12 06:04:32,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-12 06:04:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 734 transitions. [2022-07-12 06:04:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-12 06:04:32,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:32,537 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:32,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:04:32,537 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:32,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:32,537 INFO L85 PathProgramCache]: Analyzing trace with hash 913938597, now seen corresponding path program 1 times [2022-07-12 06:04:32,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:32,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249713880] [2022-07-12 06:04:32,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:32,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 06:04:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:04:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 06:04:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 06:04:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 06:04:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 06:04:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 06:04:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 06:04:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 06:04:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 06:04:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 06:04:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 06:04:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 06:04:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-12 06:04:32,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:32,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249713880] [2022-07-12 06:04:32,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249713880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:32,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:32,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 06:04:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147231114] [2022-07-12 06:04:32,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:32,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 06:04:32,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 06:04:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:04:32,674 INFO L87 Difference]: Start difference. First operand 478 states and 734 transitions. Second operand has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-12 06:04:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:34,721 INFO L93 Difference]: Finished difference Result 1035 states and 1614 transitions. [2022-07-12 06:04:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 06:04:34,721 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2022-07-12 06:04:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:34,724 INFO L225 Difference]: With dead ends: 1035 [2022-07-12 06:04:34,724 INFO L226 Difference]: Without dead ends: 584 [2022-07-12 06:04:34,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-12 06:04:34,726 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 1673 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 3882 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 3882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:34,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 1921 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 3882 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 06:04:34,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-07-12 06:04:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 480. [2022-07-12 06:04:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 368 states have (on average 1.5570652173913044) internal successors, (573), 376 states have internal predecessors, (573), 78 states have call successors, (78), 29 states have call predecessors, (78), 33 states have return successors, (89), 76 states have call predecessors, (89), 77 states have call successors, (89) [2022-07-12 06:04:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 740 transitions. [2022-07-12 06:04:34,747 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 740 transitions. Word has length 164 [2022-07-12 06:04:34,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:34,748 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 740 transitions. [2022-07-12 06:04:34,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-12 06:04:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 740 transitions. [2022-07-12 06:04:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-12 06:04:34,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:34,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:34,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:04:34,750 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:34,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:34,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1100249621, now seen corresponding path program 1 times [2022-07-12 06:04:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:34,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294761574] [2022-07-12 06:04:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:04:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 06:04:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 06:04:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 06:04:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 06:04:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 06:04:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 06:04:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 06:04:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 06:04:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 06:04:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 06:04:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 06:04:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 06:04:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 06:04:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 06:04:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 06:04:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:34,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:34,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294761574] [2022-07-12 06:04:34,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294761574] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:04:34,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64335297] [2022-07-12 06:04:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:34,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:34,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:04:34,853 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:04:34,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 06:04:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:35,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 06:04:35,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:04:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:35,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:04:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:35,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64335297] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:04:35,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:04:35,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-12 06:04:35,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876195729] [2022-07-12 06:04:35,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:04:35,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 06:04:35,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:35,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 06:04:35,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-12 06:04:35,186 INFO L87 Difference]: Start difference. First operand 480 states and 740 transitions. Second operand has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-12 06:04:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:36,722 INFO L93 Difference]: Finished difference Result 1222 states and 1983 transitions. [2022-07-12 06:04:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 06:04:36,722 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 184 [2022-07-12 06:04:36,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:36,727 INFO L225 Difference]: With dead ends: 1222 [2022-07-12 06:04:36,727 INFO L226 Difference]: Without dead ends: 1001 [2022-07-12 06:04:36,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-12 06:04:36,729 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1901 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 2672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:36,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 2155 Invalid, 2672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 06:04:36,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2022-07-12 06:04:36,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 873. [2022-07-12 06:04:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 682 states have (on average 1.6217008797653958) internal successors, (1106), 690 states have internal predecessors, (1106), 157 states have call successors, (157), 29 states have call predecessors, (157), 33 states have return successors, (178), 155 states have call predecessors, (178), 156 states have call successors, (178) [2022-07-12 06:04:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1441 transitions. [2022-07-12 06:04:36,767 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1441 transitions. Word has length 184 [2022-07-12 06:04:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:36,767 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1441 transitions. [2022-07-12 06:04:36,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-12 06:04:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1441 transitions. [2022-07-12 06:04:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-12 06:04:36,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:36,771 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:36,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-12 06:04:36,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:04:36,988 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:36,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1261428783, now seen corresponding path program 1 times [2022-07-12 06:04:36,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:36,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518995220] [2022-07-12 06:04:36,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:36,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 06:04:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:04:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 06:04:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 06:04:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 06:04:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 06:04:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 06:04:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 06:04:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 06:04:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 06:04:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 06:04:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 06:04:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 06:04:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 06:04:37,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:37,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518995220] [2022-07-12 06:04:37,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518995220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:37,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:37,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:37,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969530367] [2022-07-12 06:04:37,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:37,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:37,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:37,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:37,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:37,075 INFO L87 Difference]: Start difference. First operand 873 states and 1441 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:38,266 INFO L93 Difference]: Finished difference Result 2180 states and 3688 transitions. [2022-07-12 06:04:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:38,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2022-07-12 06:04:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:38,272 INFO L225 Difference]: With dead ends: 2180 [2022-07-12 06:04:38,272 INFO L226 Difference]: Without dead ends: 1375 [2022-07-12 06:04:38,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:04:38,275 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 1522 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:38,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 1442 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 06:04:38,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2022-07-12 06:04:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1263. [2022-07-12 06:04:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 993 states have (on average 1.6374622356495467) internal successors, (1626), 1001 states have internal predecessors, (1626), 236 states have call successors, (236), 29 states have call predecessors, (236), 33 states have return successors, (267), 234 states have call predecessors, (267), 235 states have call successors, (267) [2022-07-12 06:04:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 2129 transitions. [2022-07-12 06:04:38,326 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 2129 transitions. Word has length 171 [2022-07-12 06:04:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:38,327 INFO L495 AbstractCegarLoop]: Abstraction has 1263 states and 2129 transitions. [2022-07-12 06:04:38,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2129 transitions. [2022-07-12 06:04:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-12 06:04:38,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:38,333 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:38,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 06:04:38,333 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1296611190, now seen corresponding path program 1 times [2022-07-12 06:04:38,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:38,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792906608] [2022-07-12 06:04:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 06:04:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 06:04:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 06:04:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 06:04:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 06:04:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 06:04:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 06:04:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 06:04:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 06:04:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 06:04:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 06:04:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 06:04:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 06:04:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 06:04:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 06:04:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 06:04:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:38,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:38,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792906608] [2022-07-12 06:04:38,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792906608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:38,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:38,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:38,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81534910] [2022-07-12 06:04:38,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:38,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:38,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:38,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:38,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:38,461 INFO L87 Difference]: Start difference. First operand 1263 states and 2129 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:39,636 INFO L93 Difference]: Finished difference Result 3129 states and 5362 transitions. [2022-07-12 06:04:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:39,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2022-07-12 06:04:39,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:39,646 INFO L225 Difference]: With dead ends: 3129 [2022-07-12 06:04:39,646 INFO L226 Difference]: Without dead ends: 1987 [2022-07-12 06:04:39,650 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 [2022-07-12 06:04:39,651 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1504 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:39,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 1408 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 06:04:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2022-07-12 06:04:39,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1875. [2022-07-12 06:04:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1486 states have (on average 1.6480484522207268) internal successors, (2449), 1494 states have internal predecessors, (2449), 355 states have call successors, (355), 29 states have call predecessors, (355), 33 states have return successors, (386), 353 states have call predecessors, (386), 354 states have call successors, (386) [2022-07-12 06:04:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 3190 transitions. [2022-07-12 06:04:39,750 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 3190 transitions. Word has length 191 [2022-07-12 06:04:39,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:39,750 INFO L495 AbstractCegarLoop]: Abstraction has 1875 states and 3190 transitions. [2022-07-12 06:04:39,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3190 transitions. [2022-07-12 06:04:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-12 06:04:39,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:39,760 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:39,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 06:04:39,760 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:39,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:39,761 INFO L85 PathProgramCache]: Analyzing trace with hash 17282321, now seen corresponding path program 1 times [2022-07-12 06:04:39,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:39,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168678408] [2022-07-12 06:04:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 06:04:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 06:04:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 06:04:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 06:04:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 06:04:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 06:04:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 06:04:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 06:04:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 06:04:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 06:04:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 06:04:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 06:04:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 06:04:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 06:04:39,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:39,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168678408] [2022-07-12 06:04:39,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168678408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:39,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:39,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:39,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216130276] [2022-07-12 06:04:39,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:39,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:39,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:39,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:39,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:39,879 INFO L87 Difference]: Start difference. First operand 1875 states and 3190 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:41,054 INFO L93 Difference]: Finished difference Result 4554 states and 7896 transitions. [2022-07-12 06:04:41,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:41,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2022-07-12 06:04:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:41,067 INFO L225 Difference]: With dead ends: 4554 [2022-07-12 06:04:41,067 INFO L226 Difference]: Without dead ends: 2925 [2022-07-12 06:04:41,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:04:41,072 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 1554 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 622 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:41,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 1389 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [622 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 06:04:41,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2022-07-12 06:04:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2813. [2022-07-12 06:04:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2262 states have (on average 1.656498673740053) internal successors, (3747), 2270 states have internal predecessors, (3747), 517 states have call successors, (517), 29 states have call predecessors, (517), 33 states have return successors, (564), 515 states have call predecessors, (564), 516 states have call successors, (564) [2022-07-12 06:04:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4828 transitions. [2022-07-12 06:04:41,223 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4828 transitions. Word has length 173 [2022-07-12 06:04:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:41,223 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 4828 transitions. [2022-07-12 06:04:41,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4828 transitions. [2022-07-12 06:04:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-12 06:04:41,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:41,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:41,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 06:04:41,237 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:41,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:41,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1495169292, now seen corresponding path program 1 times [2022-07-12 06:04:41,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:41,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009262683] [2022-07-12 06:04:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 06:04:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 06:04:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 06:04:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 06:04:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 06:04:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 06:04:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 06:04:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 06:04:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 06:04:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 06:04:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 06:04:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 06:04:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 06:04:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 06:04:41,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:41,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009262683] [2022-07-12 06:04:41,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009262683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:41,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:41,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:41,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803996186] [2022-07-12 06:04:41,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:41,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:41,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:41,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:41,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:41,323 INFO L87 Difference]: Start difference. First operand 2813 states and 4828 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:42,531 INFO L93 Difference]: Finished difference Result 6803 states and 11905 transitions. [2022-07-12 06:04:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:42,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 174 [2022-07-12 06:04:42,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:42,551 INFO L225 Difference]: With dead ends: 6803 [2022-07-12 06:04:42,551 INFO L226 Difference]: Without dead ends: 4440 [2022-07-12 06:04:42,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:04:42,559 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 1562 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:42,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 1394 Invalid, 1643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 06:04:42,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4440 states. [2022-07-12 06:04:42,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4440 to 4328. [2022-07-12 06:04:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 3532 states have (on average 1.6625141562853907) internal successors, (5872), 3540 states have internal predecessors, (5872), 762 states have call successors, (762), 29 states have call predecessors, (762), 33 states have return successors, (835), 760 states have call predecessors, (835), 761 states have call successors, (835) [2022-07-12 06:04:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 7469 transitions. [2022-07-12 06:04:42,770 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 7469 transitions. Word has length 174 [2022-07-12 06:04:42,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:42,770 INFO L495 AbstractCegarLoop]: Abstraction has 4328 states and 7469 transitions. [2022-07-12 06:04:42,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 7469 transitions. [2022-07-12 06:04:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 06:04:42,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:42,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:42,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 06:04:42,792 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:42,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:42,792 INFO L85 PathProgramCache]: Analyzing trace with hash 716943632, now seen corresponding path program 1 times [2022-07-12 06:04:42,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:42,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940721601] [2022-07-12 06:04:42,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 06:04:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 06:04:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 06:04:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 06:04:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 06:04:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 06:04:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 06:04:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 06:04:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 06:04:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 06:04:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 06:04:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 06:04:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 06:04:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 06:04:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 06:04:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 06:04:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:42,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940721601] [2022-07-12 06:04:42,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940721601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:42,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:42,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:42,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516010483] [2022-07-12 06:04:42,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:42,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:42,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:42,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:42,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:42,888 INFO L87 Difference]: Start difference. First operand 4328 states and 7469 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:44,112 INFO L93 Difference]: Finished difference Result 10819 states and 19017 transitions. [2022-07-12 06:04:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:44,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2022-07-12 06:04:44,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:44,144 INFO L225 Difference]: With dead ends: 10819 [2022-07-12 06:04:44,159 INFO L226 Difference]: Without dead ends: 7173 [2022-07-12 06:04:44,170 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 [2022-07-12 06:04:44,171 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 1563 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:44,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 1449 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 06:04:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7173 states. [2022-07-12 06:04:44,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7173 to 7061. [2022-07-12 06:04:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 5772 states have (on average 1.6592169092169091) internal successors, (9577), 5780 states have internal predecessors, (9577), 1255 states have call successors, (1255), 29 states have call predecessors, (1255), 33 states have return successors, (1372), 1253 states have call predecessors, (1372), 1254 states have call successors, (1372) [2022-07-12 06:04:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 12204 transitions. [2022-07-12 06:04:44,527 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 12204 transitions. Word has length 194 [2022-07-12 06:04:44,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:44,528 INFO L495 AbstractCegarLoop]: Abstraction has 7061 states and 12204 transitions. [2022-07-12 06:04:44,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 12204 transitions. [2022-07-12 06:04:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-12 06:04:44,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:44,556 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:44,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 06:04:44,556 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:44,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1047143493, now seen corresponding path program 1 times [2022-07-12 06:04:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:44,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133701211] [2022-07-12 06:04:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:04:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:04:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 06:04:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 06:04:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 06:04:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 06:04:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 06:04:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 06:04:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 06:04:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 06:04:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 06:04:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 06:04:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 06:04:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 06:04:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 06:04:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 06:04:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:44,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:44,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133701211] [2022-07-12 06:04:44,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133701211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:44,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:44,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:44,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047369613] [2022-07-12 06:04:44,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:44,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:44,685 INFO L87 Difference]: Start difference. First operand 7061 states and 12204 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:46,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:46,012 INFO L93 Difference]: Finished difference Result 17959 states and 31589 transitions. [2022-07-12 06:04:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:46,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2022-07-12 06:04:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:46,061 INFO L225 Difference]: With dead ends: 17959 [2022-07-12 06:04:46,061 INFO L226 Difference]: Without dead ends: 11957 [2022-07-12 06:04:46,080 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 [2022-07-12 06:04:46,081 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1592 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:46,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 1382 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 06:04:46,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11957 states. [2022-07-12 06:04:46,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11957 to 11845. [2022-07-12 06:04:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11845 states, 9734 states have (on average 1.659646599547976) internal successors, (16155), 9742 states have internal predecessors, (16155), 2077 states have call successors, (2077), 29 states have call predecessors, (2077), 33 states have return successors, (2272), 2075 states have call predecessors, (2272), 2076 states have call successors, (2272) [2022-07-12 06:04:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11845 states to 11845 states and 20504 transitions. [2022-07-12 06:04:46,608 INFO L78 Accepts]: Start accepts. Automaton has 11845 states and 20504 transitions. Word has length 195 [2022-07-12 06:04:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:46,608 INFO L495 AbstractCegarLoop]: Abstraction has 11845 states and 20504 transitions. [2022-07-12 06:04:46,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 11845 states and 20504 transitions. [2022-07-12 06:04:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-12 06:04:46,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:46,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:46,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 06:04:46,651 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:46,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash -133451953, now seen corresponding path program 1 times [2022-07-12 06:04:46,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:46,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760877558] [2022-07-12 06:04:46,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:46,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 06:04:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 06:04:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 06:04:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 06:04:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 06:04:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 06:04:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 06:04:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 06:04:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 06:04:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 06:04:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 06:04:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 06:04:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 06:04:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 06:04:46,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:46,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760877558] [2022-07-12 06:04:46,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760877558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:46,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:46,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33674353] [2022-07-12 06:04:46,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:46,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:46,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:46,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:46,756 INFO L87 Difference]: Start difference. First operand 11845 states and 20504 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:48,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:48,357 INFO L93 Difference]: Finished difference Result 28392 states and 49714 transitions. [2022-07-12 06:04:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:48,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 177 [2022-07-12 06:04:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:48,425 INFO L225 Difference]: With dead ends: 28392 [2022-07-12 06:04:48,425 INFO L226 Difference]: Without dead ends: 18550 [2022-07-12 06:04:48,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:04:48,452 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 1560 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:48,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 1364 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 06:04:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18550 states. [2022-07-12 06:04:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18550 to 18438. [2022-07-12 06:04:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18438 states, 15124 states have (on average 1.6345543507008728) internal successors, (24721), 15132 states have internal predecessors, (24721), 3280 states have call successors, (3280), 29 states have call predecessors, (3280), 33 states have return successors, (3619), 3278 states have call predecessors, (3619), 3279 states have call successors, (3619) [2022-07-12 06:04:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18438 states to 18438 states and 31620 transitions. [2022-07-12 06:04:49,298 INFO L78 Accepts]: Start accepts. Automaton has 18438 states and 31620 transitions. Word has length 177 [2022-07-12 06:04:49,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:49,298 INFO L495 AbstractCegarLoop]: Abstraction has 18438 states and 31620 transitions. [2022-07-12 06:04:49,299 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:04:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 18438 states and 31620 transitions. [2022-07-12 06:04:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-12 06:04:49,351 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:49,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:49,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 06:04:49,351 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:49,352 INFO L85 PathProgramCache]: Analyzing trace with hash 655271780, now seen corresponding path program 1 times [2022-07-12 06:04:49,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:49,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090998149] [2022-07-12 06:04:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 06:04:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 06:04:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 06:04:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 06:04:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 06:04:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 06:04:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 06:04:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 06:04:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 06:04:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 06:04:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 06:04:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 06:04:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 06:04:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 06:04:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 06:04:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 06:04:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:49,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:49,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090998149] [2022-07-12 06:04:49,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090998149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:49,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:49,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:49,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453546633] [2022-07-12 06:04:49,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:49,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:49,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:49,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:49,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:49,450 INFO L87 Difference]: Start difference. First operand 18438 states and 31620 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:51,627 INFO L93 Difference]: Finished difference Result 48814 states and 85218 transitions. [2022-07-12 06:04:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:51,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2022-07-12 06:04:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:51,753 INFO L225 Difference]: With dead ends: 48814 [2022-07-12 06:04:51,753 INFO L226 Difference]: Without dead ends: 32986 [2022-07-12 06:04:51,792 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 [2022-07-12 06:04:51,792 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 1502 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:51,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 1410 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 06:04:51,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32986 states. [2022-07-12 06:04:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32986 to 32874. [2022-07-12 06:04:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32874 states, 27110 states have (on average 1.6314275175212098) internal successors, (44228), 27118 states have internal predecessors, (44228), 5730 states have call successors, (5730), 29 states have call predecessors, (5730), 33 states have return successors, (6343), 5728 states have call predecessors, (6343), 5729 states have call successors, (6343) [2022-07-12 06:04:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32874 states to 32874 states and 56301 transitions. [2022-07-12 06:04:53,283 INFO L78 Accepts]: Start accepts. Automaton has 32874 states and 56301 transitions. Word has length 197 [2022-07-12 06:04:53,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:53,284 INFO L495 AbstractCegarLoop]: Abstraction has 32874 states and 56301 transitions. [2022-07-12 06:04:53,284 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, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32874 states and 56301 transitions. [2022-07-12 06:04:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-12 06:04:53,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:53,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:53,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 06:04:53,364 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:53,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:53,365 INFO L85 PathProgramCache]: Analyzing trace with hash 256175860, now seen corresponding path program 1 times [2022-07-12 06:04:53,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:53,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410659304] [2022-07-12 06:04:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:53,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 06:04:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 06:04:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 06:04:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 06:04:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 06:04:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 06:04:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 06:04:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 06:04:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 06:04:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 06:04:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 06:04:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 06:04:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 06:04:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 06:04:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 06:04:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 06:04:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:04:53,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:53,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410659304] [2022-07-12 06:04:53,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410659304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:53,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:53,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:53,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721557458] [2022-07-12 06:04:53,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:53,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:53,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:53,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:53,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:53,457 INFO L87 Difference]: Start difference. First operand 32874 states and 56301 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:04:56,360 INFO L93 Difference]: Finished difference Result 89711 states and 155852 transitions. [2022-07-12 06:04:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:04:56,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 198 [2022-07-12 06:04:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:04:56,614 INFO L225 Difference]: With dead ends: 89711 [2022-07-12 06:04:56,614 INFO L226 Difference]: Without dead ends: 60323 [2022-07-12 06:04:56,686 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 [2022-07-12 06:04:56,686 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 1517 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:04:56,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 1411 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 06:04:56,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60323 states. [2022-07-12 06:04:59,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60323 to 60211. [2022-07-12 06:04:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60211 states, 49934 states have (on average 1.627167861577282) internal successors, (81251), 49942 states have internal predecessors, (81251), 10243 states have call successors, (10243), 29 states have call predecessors, (10243), 33 states have return successors, (11388), 10241 states have call predecessors, (11388), 10242 states have call successors, (11388) [2022-07-12 06:04:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60211 states to 60211 states and 102882 transitions. [2022-07-12 06:04:59,506 INFO L78 Accepts]: Start accepts. Automaton has 60211 states and 102882 transitions. Word has length 198 [2022-07-12 06:04:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:04:59,507 INFO L495 AbstractCegarLoop]: Abstraction has 60211 states and 102882 transitions. [2022-07-12 06:04:59,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 06:04:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 60211 states and 102882 transitions. [2022-07-12 06:04:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-12 06:04:59,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:04:59,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:04:59,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 06:04:59,627 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:04:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:04:59,627 INFO L85 PathProgramCache]: Analyzing trace with hash -652712167, now seen corresponding path program 1 times [2022-07-12 06:04:59,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:04:59,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404705110] [2022-07-12 06:04:59,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:04:59,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:04:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:04:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:04:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:04:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:04:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:04:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:04:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 06:04:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 06:04:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 06:04:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 06:04:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 06:04:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 06:04:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 06:04:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 06:04:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 06:04:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 06:04:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:04:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 06:04:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 06:04:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 06:04:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:04:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 06:04:59,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:04:59,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404705110] [2022-07-12 06:04:59,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404705110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:04:59,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:04:59,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:04:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371718244] [2022-07-12 06:04:59,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:04:59,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:04:59,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:04:59,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:04:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:04:59,702 INFO L87 Difference]: Start difference. First operand 60211 states and 102882 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:05:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:05:04,003 INFO L93 Difference]: Finished difference Result 112802 states and 196430 transitions. [2022-07-12 06:05:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:05:04,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 180 [2022-07-12 06:05:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:05:04,562 INFO L225 Difference]: With dead ends: 112802 [2022-07-12 06:05:04,562 INFO L226 Difference]: Without dead ends: 112581 [2022-07-12 06:05:04,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:05:04,608 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1544 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 06:05:04,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 1389 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 06:05:04,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112581 states. [2022-07-12 06:05:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112581 to 112469. [2022-07-12 06:05:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112469 states, 93824 states have (on average 1.621738574351978) internal successors, (152158), 93832 states have internal predecessors, (152158), 18611 states have call successors, (18611), 29 states have call predecessors, (18611), 33 states have return successors, (20802), 18609 states have call predecessors, (20802), 18610 states have call successors, (20802) [2022-07-12 06:05:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112469 states to 112469 states and 191571 transitions. [2022-07-12 06:05:09,671 INFO L78 Accepts]: Start accepts. Automaton has 112469 states and 191571 transitions. Word has length 180 [2022-07-12 06:05:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:05:09,671 INFO L495 AbstractCegarLoop]: Abstraction has 112469 states and 191571 transitions. [2022-07-12 06:05:09,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 06:05:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 112469 states and 191571 transitions. [2022-07-12 06:05:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 06:05:09,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:05:09,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:05:09,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 06:05:09,842 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:05:09,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:05:09,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1244318104, now seen corresponding path program 1 times [2022-07-12 06:05:09,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:05:09,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512559366] [2022-07-12 06:05:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:05:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:05:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 06:05:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:05:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:05:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:05:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:05:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:05:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:05:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 06:05:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 06:05:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 06:05:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 06:05:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 06:05:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 06:05:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 06:05:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 06:05:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 06:05:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:05:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 06:05:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 06:05:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 06:05:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-12 06:05:10,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:05:10,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512559366] [2022-07-12 06:05:10,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512559366] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:05:10,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375270170] [2022-07-12 06:05:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:05:10,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:05:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:05:10,041 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:05:10,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-12 06:05:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:05:10,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 06:05:10,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:05:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-12 06:05:10,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:05:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 06:05:10,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375270170] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:05:10,767 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:05:10,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2022-07-12 06:05:10,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739504582] [2022-07-12 06:05:10,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:05:10,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-12 06:05:10,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:05:10,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-12 06:05:10,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2022-07-12 06:05:10,769 INFO L87 Difference]: Start difference. First operand 112469 states and 191571 transitions. Second operand has 32 states, 30 states have (on average 9.266666666666667) internal successors, (278), 24 states have internal predecessors, (278), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51)