./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 00:46:43,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 00:46:43,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 00:46:43,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 00:46:43,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 00:46:43,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 00:46:43,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 00:46:43,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 00:46:43,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 00:46:43,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 00:46:43,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 00:46:43,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 00:46:43,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 00:46:43,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 00:46:43,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 00:46:43,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 00:46:43,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 00:46:43,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 00:46:43,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 00:46:43,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 00:46:43,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 00:46:43,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 00:46:43,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 00:46:43,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 00:46:43,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 00:46:43,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 00:46:43,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 00:46:43,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 00:46:43,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 00:46:43,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 00:46:43,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 00:46:43,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 00:46:43,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 00:46:43,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 00:46:43,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 00:46:43,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 00:46:43,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 00:46:43,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 00:46:43,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 00:46:43,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 00:46:43,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 00:46:43,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 00:46:43,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 00:46:43,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 00:46:43,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 00:46:43,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 00:46:43,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 00:46:43,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 00:46:43,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 00:46:43,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 00:46:43,304 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 00:46:43,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 00:46:43,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 00:46:43,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 00:46:43,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 00:46:43,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 00:46:43,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 00:46:43,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 00:46:43,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 00:46:43,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 00:46:43,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 00:46:43,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 00:46:43,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 00:46:43,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 00:46:43,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 00:46:43,314 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 00:46:43,314 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 00:46:43,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 00:46:43,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b [2021-12-28 00:46:43,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 00:46:43,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 00:46:43,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 00:46:43,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 00:46:43,582 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 00:46:43,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2021-12-28 00:46:43,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b0144bd/e8eed381370441e180ab984c59de770c/FLAG246feeb73 [2021-12-28 00:46:44,124 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 00:46:44,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2021-12-28 00:46:44,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b0144bd/e8eed381370441e180ab984c59de770c/FLAG246feeb73 [2021-12-28 00:46:44,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b0144bd/e8eed381370441e180ab984c59de770c [2021-12-28 00:46:44,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 00:46:44,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 00:46:44,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 00:46:44,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 00:46:44,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 00:46:44,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 12:46:44" (1/1) ... [2021-12-28 00:46:44,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a4907e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:44, skipping insertion in model container [2021-12-28 00:46:44,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 12:46:44" (1/1) ... [2021-12-28 00:46:44,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 00:46:44,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 00:46:44,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2021-12-28 00:46:45,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 00:46:45,049 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 00:46:45,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2021-12-28 00:46:45,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 00:46:45,182 INFO L208 MainTranslator]: Completed translation [2021-12-28 00:46:45,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45 WrapperNode [2021-12-28 00:46:45,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 00:46:45,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 00:46:45,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 00:46:45,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 00:46:45,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,252 INFO L137 Inliner]: procedures = 131, calls = 228, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 930 [2021-12-28 00:46:45,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 00:46:45,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 00:46:45,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 00:46:45,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 00:46:45,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 00:46:45,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 00:46:45,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 00:46:45,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 00:46:45,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (1/1) ... [2021-12-28 00:46:45,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 00:46:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:45,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 00:46:45,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 00:46:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-28 00:46:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-28 00:46:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-28 00:46:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-28 00:46:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-28 00:46:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-28 00:46:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-28 00:46:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-28 00:46:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-28 00:46:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-28 00:46:45,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-28 00:46:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-28 00:46:45,363 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-28 00:46:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-28 00:46:45,363 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-28 00:46:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-28 00:46:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-28 00:46:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-28 00:46:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-28 00:46:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-28 00:46:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-28 00:46:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-28 00:46:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-28 00:46:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-28 00:46:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-28 00:46:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-28 00:46:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-28 00:46:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-28 00:46:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-28 00:46:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 00:46:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-28 00:46:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-28 00:46:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-28 00:46:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-28 00:46:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-28 00:46:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-28 00:46:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-28 00:46:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-28 00:46:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-28 00:46:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-28 00:46:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-28 00:46:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-28 00:46:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-12-28 00:46:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-12-28 00:46:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-12-28 00:46:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-12-28 00:46:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-28 00:46:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-28 00:46:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-28 00:46:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-28 00:46:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-28 00:46:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-28 00:46:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-28 00:46:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-28 00:46:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-28 00:46:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-28 00:46:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 00:46:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-28 00:46:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-28 00:46:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-28 00:46:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-28 00:46:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 00:46:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 00:46:45,613 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 00:46:45,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 00:46:46,099 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 00:46:46,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 00:46:46,107 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 00:46:46,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 12:46:46 BoogieIcfgContainer [2021-12-28 00:46:46,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 00:46:46,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 00:46:46,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 00:46:46,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 00:46:46,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 12:46:44" (1/3) ... [2021-12-28 00:46:46,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbf88b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 12:46:46, skipping insertion in model container [2021-12-28 00:46:46,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:46:45" (2/3) ... [2021-12-28 00:46:46,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbf88b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 12:46:46, skipping insertion in model container [2021-12-28 00:46:46,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 12:46:46" (3/3) ... [2021-12-28 00:46:46,114 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2021-12-28 00:46:46,117 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 00:46:46,117 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 00:46:46,146 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 00:46:46,151 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 00:46:46,151 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 00:46:46,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 320 states have (on average 1.553125) internal successors, (497), 325 states have internal predecessors, (497), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2021-12-28 00:46:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-28 00:46:46,193 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:46,194 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:46,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:46,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:46,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1476793235, now seen corresponding path program 1 times [2021-12-28 00:46:46,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:46,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204331722] [2021-12-28 00:46:46,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:46,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-28 00:46:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-28 00:46:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 00:46:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 00:46:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 00:46:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 00:46:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 00:46:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 00:46:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 00:46:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 00:46:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 00:46:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 00:46:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 00:46:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 00:46:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 00:46:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 00:46:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 00:46:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 00:46:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 00:46:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-28 00:46:46,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:46,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204331722] [2021-12-28 00:46:46,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204331722] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:46:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571832006] [2021-12-28 00:46:46,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:46,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:46,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:46:46,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 00:46:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-28 00:46:47,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:46:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-28 00:46:47,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:46:47,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571832006] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:47,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:46:47,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2021-12-28 00:46:47,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870412019] [2021-12-28 00:46:47,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:47,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 00:46:47,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:47,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 00:46:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 00:46:47,297 INFO L87 Difference]: Start difference. First operand has 415 states, 320 states have (on average 1.553125) internal successors, (497), 325 states have internal predecessors, (497), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:46:47,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:47,356 INFO L93 Difference]: Finished difference Result 642 states and 948 transitions. [2021-12-28 00:46:47,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 00:46:47,360 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2021-12-28 00:46:47,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:47,373 INFO L225 Difference]: With dead ends: 642 [2021-12-28 00:46:47,373 INFO L226 Difference]: Without dead ends: 408 [2021-12-28 00:46:47,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 00:46:47,379 INFO L933 BasicCegarLoop]: 621 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:47,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:46:47,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2021-12-28 00:46:47,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2021-12-28 00:46:47,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 314 states have (on average 1.5477707006369428) internal successors, (486), 318 states have internal predecessors, (486), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-28 00:46:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 613 transitions. [2021-12-28 00:46:47,439 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 613 transitions. Word has length 170 [2021-12-28 00:46:47,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:47,440 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 613 transitions. [2021-12-28 00:46:47,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:46:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 613 transitions. [2021-12-28 00:46:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-28 00:46:47,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:47,447 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:47,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 00:46:47,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-12-28 00:46:47,670 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:47,670 INFO L85 PathProgramCache]: Analyzing trace with hash -545010507, now seen corresponding path program 1 times [2021-12-28 00:46:47,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:47,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705396065] [2021-12-28 00:46:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:47,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-28 00:46:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-28 00:46:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 00:46:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-28 00:46:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-28 00:46:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 00:46:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-28 00:46:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 00:46:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:46:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 00:46:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 00:46:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 00:46:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 00:46:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 00:46:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 00:46:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 00:46:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-28 00:46:47,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:47,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705396065] [2021-12-28 00:46:47,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705396065] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:46:47,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748159399] [2021-12-28 00:46:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:47,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:47,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:47,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:46:47,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 00:46:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 00:46:48,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:46:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-28 00:46:48,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:46:48,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748159399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:48,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:46:48,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-28 00:46:48,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167530776] [2021-12-28 00:46:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:48,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 00:46:48,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:48,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 00:46:48,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-28 00:46:48,298 INFO L87 Difference]: Start difference. First operand 408 states and 613 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:46:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:48,332 INFO L93 Difference]: Finished difference Result 632 states and 926 transitions. [2021-12-28 00:46:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 00:46:48,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 152 [2021-12-28 00:46:48,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:48,335 INFO L225 Difference]: With dead ends: 632 [2021-12-28 00:46:48,335 INFO L226 Difference]: Without dead ends: 411 [2021-12-28 00:46:48,337 INFO L932 BasicCegarLoop]: 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 [2021-12-28 00:46:48,338 INFO L933 BasicCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:48,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1220 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:46:48,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-12-28 00:46:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 410. [2021-12-28 00:46:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 316 states have (on average 1.5443037974683544) internal successors, (488), 320 states have internal predecessors, (488), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-28 00:46:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 615 transitions. [2021-12-28 00:46:48,357 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 615 transitions. Word has length 152 [2021-12-28 00:46:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:48,357 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 615 transitions. [2021-12-28 00:46:48,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:46:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 615 transitions. [2021-12-28 00:46:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-28 00:46:48,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:48,361 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:48,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 00:46:48,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-28 00:46:48,581 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:48,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1260799038, now seen corresponding path program 1 times [2021-12-28 00:46:48,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:48,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588102683] [2021-12-28 00:46:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:48,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-28 00:46:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-28 00:46:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 00:46:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 00:46:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 00:46:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 00:46:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 00:46:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:46:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 00:46:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 00:46:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 00:46:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 00:46:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 00:46:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 00:46:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 00:46:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 00:46:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-28 00:46:48,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:48,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588102683] [2021-12-28 00:46:48,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588102683] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:46:48,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134660364] [2021-12-28 00:46:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:48,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:48,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:48,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:46:48,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 00:46:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:48,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 00:46:48,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:46:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-28 00:46:49,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:46:49,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134660364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:49,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:46:49,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-28 00:46:49,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442074673] [2021-12-28 00:46:49,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:49,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 00:46:49,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:49,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 00:46:49,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-28 00:46:49,210 INFO L87 Difference]: Start difference. First operand 410 states and 615 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:46:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:49,233 INFO L93 Difference]: Finished difference Result 863 states and 1314 transitions. [2021-12-28 00:46:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 00:46:49,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2021-12-28 00:46:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:49,236 INFO L225 Difference]: With dead ends: 863 [2021-12-28 00:46:49,236 INFO L226 Difference]: Without dead ends: 480 [2021-12-28 00:46:49,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-28 00:46:49,238 INFO L933 BasicCegarLoop]: 641 mSDtfsCounter, 126 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:49,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 1208 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:46:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-12-28 00:46:49,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2021-12-28 00:46:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 364 states have (on average 1.5631868131868132) internal successors, (569), 368 states have internal predecessors, (569), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2021-12-28 00:46:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 724 transitions. [2021-12-28 00:46:49,256 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 724 transitions. Word has length 158 [2021-12-28 00:46:49,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:49,257 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 724 transitions. [2021-12-28 00:46:49,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:46:49,257 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 724 transitions. [2021-12-28 00:46:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-28 00:46:49,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:49,260 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:49,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 00:46:49,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:49,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:49,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash 623752647, now seen corresponding path program 1 times [2021-12-28 00:46:49,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:49,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155905956] [2021-12-28 00:46:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:49,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-28 00:46:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-28 00:46:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 00:46:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 00:46:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 00:46:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 00:46:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 00:46:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 00:46:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:46:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 00:46:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 00:46:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 00:46:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 00:46:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 00:46:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 00:46:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 00:46:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-28 00:46:49,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:49,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155905956] [2021-12-28 00:46:49,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155905956] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:46:49,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309434846] [2021-12-28 00:46:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:49,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:49,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:49,594 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:46:49,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 00:46:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:49,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 00:46:49,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:46:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-28 00:46:50,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:46:50,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309434846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:50,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:46:50,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-12-28 00:46:50,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953204349] [2021-12-28 00:46:50,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:50,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 00:46:50,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:50,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 00:46:50,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-28 00:46:50,067 INFO L87 Difference]: Start difference. First operand 472 states and 724 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:50,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:50,114 INFO L93 Difference]: Finished difference Result 935 states and 1438 transitions. [2021-12-28 00:46:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 00:46:50,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2021-12-28 00:46:50,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:50,117 INFO L225 Difference]: With dead ends: 935 [2021-12-28 00:46:50,117 INFO L226 Difference]: Without dead ends: 474 [2021-12-28 00:46:50,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:46:50,137 INFO L933 BasicCegarLoop]: 604 mSDtfsCounter, 144 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 2250 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:50,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 2250 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:46:50,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-12-28 00:46:50,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2021-12-28 00:46:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 365 states have (on average 1.5616438356164384) internal successors, (570), 370 states have internal predecessors, (570), 78 states have call successors, (78), 29 states have call predecessors, (78), 30 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2021-12-28 00:46:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 727 transitions. [2021-12-28 00:46:50,168 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 727 transitions. Word has length 159 [2021-12-28 00:46:50,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:50,169 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 727 transitions. [2021-12-28 00:46:50,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 727 transitions. [2021-12-28 00:46:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-28 00:46:50,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:50,172 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:50,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-28 00:46:50,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:50,385 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:50,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:50,385 INFO L85 PathProgramCache]: Analyzing trace with hash 817381486, now seen corresponding path program 1 times [2021-12-28 00:46:50,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:50,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893677687] [2021-12-28 00:46:50,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:50,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:46:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-28 00:46:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 00:46:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 00:46:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 00:46:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-28 00:46:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 00:46:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 00:46:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 00:46:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:46:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 00:46:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 00:46:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:46:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:46:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 00:46:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 00:46:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-28 00:46:50,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:50,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893677687] [2021-12-28 00:46:50,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893677687] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:46:50,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787751113] [2021-12-28 00:46:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:50,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:50,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:50,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:46:50,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-28 00:46:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:50,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-28 00:46:50,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:46:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-28 00:46:50,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:46:50,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787751113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:50,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:46:50,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2021-12-28 00:46:50,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282104092] [2021-12-28 00:46:50,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:50,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 00:46:50,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:50,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 00:46:50,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-12-28 00:46:50,957 INFO L87 Difference]: Start difference. First operand 474 states and 727 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:51,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:51,006 INFO L93 Difference]: Finished difference Result 937 states and 1443 transitions. [2021-12-28 00:46:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 00:46:51,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2021-12-28 00:46:51,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:51,009 INFO L225 Difference]: With dead ends: 937 [2021-12-28 00:46:51,009 INFO L226 Difference]: Without dead ends: 476 [2021-12-28 00:46:51,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-12-28 00:46:51,011 INFO L933 BasicCegarLoop]: 602 mSDtfsCounter, 143 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2239 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:51,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 2239 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:46:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-12-28 00:46:51,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2021-12-28 00:46:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 366 states have (on average 1.5601092896174864) internal successors, (571), 372 states have internal predecessors, (571), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2021-12-28 00:46:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 733 transitions. [2021-12-28 00:46:51,026 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 733 transitions. Word has length 160 [2021-12-28 00:46:51,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:51,026 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 733 transitions. [2021-12-28 00:46:51,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 733 transitions. [2021-12-28 00:46:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-28 00:46:51,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:51,029 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:51,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-28 00:46:51,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:51,243 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:51,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1179092392, now seen corresponding path program 1 times [2021-12-28 00:46:51,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:51,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671472095] [2021-12-28 00:46:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:51,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:46:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:46:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 00:46:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 00:46:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 00:46:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 00:46:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 00:46:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 00:46:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:46:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:46:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 00:46:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 00:46:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 00:46:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 00:46:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 00:46:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 00:46:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-28 00:46:51,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:51,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671472095] [2021-12-28 00:46:51,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671472095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:51,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:46:51,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 00:46:51,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919198217] [2021-12-28 00:46:51,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:51,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 00:46:51,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:51,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 00:46:51,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 00:46:51,349 INFO L87 Difference]: Start difference. First operand 476 states and 733 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:52,786 INFO L93 Difference]: Finished difference Result 1033 states and 1610 transitions. [2021-12-28 00:46:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 00:46:52,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2021-12-28 00:46:52,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:52,790 INFO L225 Difference]: With dead ends: 1033 [2021-12-28 00:46:52,790 INFO L226 Difference]: Without dead ends: 580 [2021-12-28 00:46:52,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-28 00:46:52,792 INFO L933 BasicCegarLoop]: 652 mSDtfsCounter, 1514 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 2688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:52,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1534 Valid, 1590 Invalid, 2688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 2137 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-28 00:46:52,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-12-28 00:46:52,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 476. [2021-12-28 00:46:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 366 states have (on average 1.5601092896174864) internal successors, (571), 372 states have internal predecessors, (571), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (83), 76 states have call predecessors, (83), 77 states have call successors, (83) [2021-12-28 00:46:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 732 transitions. [2021-12-28 00:46:52,822 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 732 transitions. Word has length 161 [2021-12-28 00:46:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:52,823 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 732 transitions. [2021-12-28 00:46:52,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 732 transitions. [2021-12-28 00:46:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-28 00:46:52,826 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:52,826 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:52,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 00:46:52,827 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:52,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1341554771, now seen corresponding path program 2 times [2021-12-28 00:46:52,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:52,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877402901] [2021-12-28 00:46:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:52,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:46:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:46:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 00:46:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 00:46:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 00:46:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 00:46:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 00:46:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 00:46:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 00:46:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 00:46:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-28 00:46:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 00:46:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 00:46:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 00:46:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 00:46:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 00:46:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-28 00:46:52,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:52,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877402901] [2021-12-28 00:46:52,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877402901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:52,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:46:52,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 00:46:52,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668111979] [2021-12-28 00:46:52,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:52,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 00:46:52,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:52,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 00:46:52,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 00:46:52,952 INFO L87 Difference]: Start difference. First operand 476 states and 732 transitions. Second operand has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:54,376 INFO L93 Difference]: Finished difference Result 1035 states and 1613 transitions. [2021-12-28 00:46:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 00:46:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2021-12-28 00:46:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:54,381 INFO L225 Difference]: With dead ends: 1035 [2021-12-28 00:46:54,381 INFO L226 Difference]: Without dead ends: 582 [2021-12-28 00:46:54,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-28 00:46:54,383 INFO L933 BasicCegarLoop]: 656 mSDtfsCounter, 1497 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 540 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:54,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1517 Valid, 1594 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [540 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-28 00:46:54,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-12-28 00:46:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 478. [2021-12-28 00:46:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 367 states have (on average 1.55858310626703) internal successors, (572), 374 states have internal predecessors, (572), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (85), 76 states have call predecessors, (85), 77 states have call successors, (85) [2021-12-28 00:46:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 735 transitions. [2021-12-28 00:46:54,404 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 735 transitions. Word has length 162 [2021-12-28 00:46:54,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:54,404 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 735 transitions. [2021-12-28 00:46:54,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 00:46:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 735 transitions. [2021-12-28 00:46:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-12-28 00:46:54,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:54,406 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:54,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 00:46:54,407 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1921417712, now seen corresponding path program 1 times [2021-12-28 00:46:54,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:54,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406243568] [2021-12-28 00:46:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:54,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:46:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:46:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:46:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 00:46:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 00:46:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 00:46:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 00:46:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 00:46:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 00:46:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 00:46:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 00:46:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 00:46:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 00:46:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 00:46:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:46:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 00:46:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 00:46:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 00:46:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 00:46:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 00:46:54,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:54,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406243568] [2021-12-28 00:46:54,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406243568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:54,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:46:54,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 00:46:54,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939557512] [2021-12-28 00:46:54,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:54,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 00:46:54,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:54,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 00:46:54,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-28 00:46:54,549 INFO L87 Difference]: Start difference. First operand 478 states and 735 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-12-28 00:46:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:56,470 INFO L93 Difference]: Finished difference Result 1033 states and 1608 transitions. [2021-12-28 00:46:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 00:46:56,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2021-12-28 00:46:56,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:56,474 INFO L225 Difference]: With dead ends: 1033 [2021-12-28 00:46:56,474 INFO L226 Difference]: Without dead ends: 582 [2021-12-28 00:46:56,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-12-28 00:46:56,475 INFO L933 BasicCegarLoop]: 622 mSDtfsCounter, 1683 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 3769 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 4390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 3769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:56,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1683 Valid, 1924 Invalid, 4390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 3769 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 00:46:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-12-28 00:46:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 478. [2021-12-28 00:46:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 367 states have (on average 1.55858310626703) internal successors, (572), 374 states have internal predecessors, (572), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2021-12-28 00:46:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 734 transitions. [2021-12-28 00:46:56,495 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 734 transitions. Word has length 182 [2021-12-28 00:46:56,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:56,495 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 734 transitions. [2021-12-28 00:46:56,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-12-28 00:46:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 734 transitions. [2021-12-28 00:46:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-28 00:46:56,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:56,497 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:56,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 00:46:56,498 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash 913938597, now seen corresponding path program 1 times [2021-12-28 00:46:56,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:56,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690206969] [2021-12-28 00:46:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:56,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:46:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:46:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:46:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 00:46:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-28 00:46:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 00:46:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 00:46:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 00:46:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 00:46:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 00:46:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 00:46:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 00:46:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:46:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:46:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 00:46:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 00:46:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-28 00:46:56,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:56,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690206969] [2021-12-28 00:46:56,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690206969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:46:56,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:46:56,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 00:46:56,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838903041] [2021-12-28 00:46:56,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:46:56,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 00:46:56,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:56,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 00:46:56,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-28 00:46:56,618 INFO L87 Difference]: Start difference. First operand 478 states and 734 transitions. Second operand has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-28 00:46:58,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:46:58,512 INFO L93 Difference]: Finished difference Result 1035 states and 1614 transitions. [2021-12-28 00:46:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 00:46:58,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2021-12-28 00:46:58,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:46:58,523 INFO L225 Difference]: With dead ends: 1035 [2021-12-28 00:46:58,523 INFO L226 Difference]: Without dead ends: 584 [2021-12-28 00:46:58,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-12-28 00:46:58,525 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 1672 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 3833 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 4435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 3833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 00:46:58,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1672 Valid, 1927 Invalid, 4435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 3833 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 00:46:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-12-28 00:46:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 480. [2021-12-28 00:46:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 368 states have (on average 1.5570652173913044) internal successors, (573), 376 states have internal predecessors, (573), 78 states have call successors, (78), 29 states have call predecessors, (78), 33 states have return successors, (89), 76 states have call predecessors, (89), 77 states have call successors, (89) [2021-12-28 00:46:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 740 transitions. [2021-12-28 00:46:58,543 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 740 transitions. Word has length 164 [2021-12-28 00:46:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:46:58,543 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 740 transitions. [2021-12-28 00:46:58,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-28 00:46:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 740 transitions. [2021-12-28 00:46:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-28 00:46:58,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:46:58,545 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:46:58,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 00:46:58,546 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:46:58,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:46:58,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1100249621, now seen corresponding path program 1 times [2021-12-28 00:46:58,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:46:58,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589504274] [2021-12-28 00:46:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:58,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:46:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:46:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:46:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:46:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:46:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:46:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:46:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 00:46:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 00:46:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:46:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 00:46:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 00:46:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 00:46:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:46:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 00:46:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 00:46:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:46:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 00:46:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 00:46:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 00:46:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:46:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:46:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 00:46:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 00:46:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:46:58,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:46:58,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589504274] [2021-12-28 00:46:58,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589504274] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:46:58,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277323168] [2021-12-28 00:46:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:46:58,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:46:58,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:46:58,652 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:46:58,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-28 00:46:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:46:58,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 00:46:58,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:46:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:46:59,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:46:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:46:59,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277323168] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:46:59,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:46:59,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-28 00:46:59,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279899418] [2021-12-28 00:46:59,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:46:59,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-28 00:46:59,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:46:59,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-28 00:46:59,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-28 00:46:59,323 INFO L87 Difference]: Start difference. First operand 480 states and 740 transitions. Second operand has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-28 00:47:00,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:00,821 INFO L93 Difference]: Finished difference Result 1222 states and 1983 transitions. [2021-12-28 00:47:00,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 00:47:00,822 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 184 [2021-12-28 00:47:00,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:00,826 INFO L225 Difference]: With dead ends: 1222 [2021-12-28 00:47:00,826 INFO L226 Difference]: Without dead ends: 1001 [2021-12-28 00:47:00,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-12-28 00:47:00,827 INFO L933 BasicCegarLoop]: 747 mSDtfsCounter, 1895 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 2667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 709 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:00,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 2157 Invalid, 2667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [709 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-28 00:47:00,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2021-12-28 00:47:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 873. [2021-12-28 00:47:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 682 states have (on average 1.6217008797653958) internal successors, (1106), 690 states have internal predecessors, (1106), 157 states have call successors, (157), 29 states have call predecessors, (157), 33 states have return successors, (178), 155 states have call predecessors, (178), 156 states have call successors, (178) [2021-12-28 00:47:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1441 transitions. [2021-12-28 00:47:00,861 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1441 transitions. Word has length 184 [2021-12-28 00:47:00,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:00,861 INFO L470 AbstractCegarLoop]: Abstraction has 873 states and 1441 transitions. [2021-12-28 00:47:00,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-28 00:47:00,862 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1441 transitions. [2021-12-28 00:47:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 00:47:00,865 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:00,865 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:00,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-28 00:47:01,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:47:01,096 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1261428783, now seen corresponding path program 1 times [2021-12-28 00:47:01,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:01,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684797237] [2021-12-28 00:47:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:01,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 00:47:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 00:47:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 00:47:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 00:47:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 00:47:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:47:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 00:47:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 00:47:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 00:47:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 00:47:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 00:47:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 00:47:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:47:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 00:47:01,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:01,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684797237] [2021-12-28 00:47:01,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684797237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:01,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:01,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:01,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98488190] [2021-12-28 00:47:01,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:01,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:01,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:01,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:01,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:01,180 INFO L87 Difference]: Start difference. First operand 873 states and 1441 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:02,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:02,255 INFO L93 Difference]: Finished difference Result 2180 states and 3688 transitions. [2021-12-28 00:47:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:02,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2021-12-28 00:47:02,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:02,261 INFO L225 Difference]: With dead ends: 2180 [2021-12-28 00:47:02,261 INFO L226 Difference]: Without dead ends: 1375 [2021-12-28 00:47:02,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:02,265 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 1521 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:02,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1540 Valid, 1446 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:47:02,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2021-12-28 00:47:02,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1263. [2021-12-28 00:47:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 993 states have (on average 1.6374622356495467) internal successors, (1626), 1001 states have internal predecessors, (1626), 236 states have call successors, (236), 29 states have call predecessors, (236), 33 states have return successors, (267), 234 states have call predecessors, (267), 235 states have call successors, (267) [2021-12-28 00:47:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 2129 transitions. [2021-12-28 00:47:02,326 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 2129 transitions. Word has length 171 [2021-12-28 00:47:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:02,326 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 2129 transitions. [2021-12-28 00:47:02,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2129 transitions. [2021-12-28 00:47:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-28 00:47:02,331 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:02,332 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:02,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-28 00:47:02,332 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:02,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1296611190, now seen corresponding path program 1 times [2021-12-28 00:47:02,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:02,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742444115] [2021-12-28 00:47:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:02,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 00:47:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 00:47:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 00:47:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 00:47:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 00:47:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:47:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 00:47:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 00:47:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:47:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 00:47:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 00:47:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 00:47:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 00:47:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 00:47:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 00:47:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 00:47:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:47:02,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:02,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742444115] [2021-12-28 00:47:02,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742444115] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:02,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:02,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:02,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947791125] [2021-12-28 00:47:02,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:02,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:02,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:02,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:02,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:02,426 INFO L87 Difference]: Start difference. First operand 1263 states and 2129 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:03,542 INFO L93 Difference]: Finished difference Result 3129 states and 5362 transitions. [2021-12-28 00:47:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:03,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2021-12-28 00:47:03,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:03,551 INFO L225 Difference]: With dead ends: 3129 [2021-12-28 00:47:03,551 INFO L226 Difference]: Without dead ends: 1987 [2021-12-28 00:47:03,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:03,555 INFO L933 BasicCegarLoop]: 679 mSDtfsCounter, 1503 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:03,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1521 Valid, 1410 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:47:03,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2021-12-28 00:47:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1875. [2021-12-28 00:47:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1486 states have (on average 1.6480484522207268) internal successors, (2449), 1494 states have internal predecessors, (2449), 355 states have call successors, (355), 29 states have call predecessors, (355), 33 states have return successors, (386), 353 states have call predecessors, (386), 354 states have call successors, (386) [2021-12-28 00:47:03,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 3190 transitions. [2021-12-28 00:47:03,629 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 3190 transitions. Word has length 191 [2021-12-28 00:47:03,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:03,630 INFO L470 AbstractCegarLoop]: Abstraction has 1875 states and 3190 transitions. [2021-12-28 00:47:03,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3190 transitions. [2021-12-28 00:47:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-28 00:47:03,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:03,638 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:03,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 00:47:03,638 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:03,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:03,639 INFO L85 PathProgramCache]: Analyzing trace with hash 17282321, now seen corresponding path program 1 times [2021-12-28 00:47:03,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:03,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637557406] [2021-12-28 00:47:03,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:03,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 00:47:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 00:47:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 00:47:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 00:47:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 00:47:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 00:47:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 00:47:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 00:47:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 00:47:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 00:47:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 00:47:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 00:47:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 00:47:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 00:47:03,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:03,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637557406] [2021-12-28 00:47:03,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637557406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:03,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:03,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:03,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492455787] [2021-12-28 00:47:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:03,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:03,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:03,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:03,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:03,723 INFO L87 Difference]: Start difference. First operand 1875 states and 3190 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:04,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:04,812 INFO L93 Difference]: Finished difference Result 4554 states and 7896 transitions. [2021-12-28 00:47:04,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:04,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2021-12-28 00:47:04,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:04,822 INFO L225 Difference]: With dead ends: 4554 [2021-12-28 00:47:04,823 INFO L226 Difference]: Without dead ends: 2925 [2021-12-28 00:47:04,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:04,827 INFO L933 BasicCegarLoop]: 657 mSDtfsCounter, 1552 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:04,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1573 Valid, 1387 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:47:04,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2021-12-28 00:47:04,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2813. [2021-12-28 00:47:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2262 states have (on average 1.656498673740053) internal successors, (3747), 2270 states have internal predecessors, (3747), 517 states have call successors, (517), 29 states have call predecessors, (517), 33 states have return successors, (564), 515 states have call predecessors, (564), 516 states have call successors, (564) [2021-12-28 00:47:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4828 transitions. [2021-12-28 00:47:04,924 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4828 transitions. Word has length 173 [2021-12-28 00:47:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:04,925 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 4828 transitions. [2021-12-28 00:47:04,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4828 transitions. [2021-12-28 00:47:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-28 00:47:04,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:04,936 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:04,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-28 00:47:04,937 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:04,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:04,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1495169292, now seen corresponding path program 1 times [2021-12-28 00:47:04,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:04,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158411128] [2021-12-28 00:47:04,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:04,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-28 00:47:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:47:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 00:47:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 00:47:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:47:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 00:47:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 00:47:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:47:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 00:47:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:47:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 00:47:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 00:47:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 00:47:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 00:47:05,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:05,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158411128] [2021-12-28 00:47:05,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158411128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:05,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:05,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:05,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499223409] [2021-12-28 00:47:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:05,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:05,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:05,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:05,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:05,021 INFO L87 Difference]: Start difference. First operand 2813 states and 4828 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:06,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:06,202 INFO L93 Difference]: Finished difference Result 6803 states and 11905 transitions. [2021-12-28 00:47:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:06,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 174 [2021-12-28 00:47:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:06,219 INFO L225 Difference]: With dead ends: 6803 [2021-12-28 00:47:06,219 INFO L226 Difference]: Without dead ends: 4440 [2021-12-28 00:47:06,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:06,225 INFO L933 BasicCegarLoop]: 659 mSDtfsCounter, 1559 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:06,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1577 Valid, 1389 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [619 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-28 00:47:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4440 states. [2021-12-28 00:47:06,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4440 to 4328. [2021-12-28 00:47:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 3532 states have (on average 1.6625141562853907) internal successors, (5872), 3540 states have internal predecessors, (5872), 762 states have call successors, (762), 29 states have call predecessors, (762), 33 states have return successors, (835), 760 states have call predecessors, (835), 761 states have call successors, (835) [2021-12-28 00:47:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 7469 transitions. [2021-12-28 00:47:06,417 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 7469 transitions. Word has length 174 [2021-12-28 00:47:06,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:06,418 INFO L470 AbstractCegarLoop]: Abstraction has 4328 states and 7469 transitions. [2021-12-28 00:47:06,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 7469 transitions. [2021-12-28 00:47:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-28 00:47:06,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:06,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:06,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-28 00:47:06,436 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash 716943632, now seen corresponding path program 1 times [2021-12-28 00:47:06,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:06,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724263223] [2021-12-28 00:47:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:06,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 00:47:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 00:47:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 00:47:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 00:47:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 00:47:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 00:47:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 00:47:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 00:47:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 00:47:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 00:47:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 00:47:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 00:47:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 00:47:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 00:47:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 00:47:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 00:47:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:47:06,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:06,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724263223] [2021-12-28 00:47:06,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724263223] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:06,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:06,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:06,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092524826] [2021-12-28 00:47:06,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:06,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:06,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:06,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:06,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:06,523 INFO L87 Difference]: Start difference. First operand 4328 states and 7469 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:07,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:07,792 INFO L93 Difference]: Finished difference Result 10819 states and 19017 transitions. [2021-12-28 00:47:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:07,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2021-12-28 00:47:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:07,850 INFO L225 Difference]: With dead ends: 10819 [2021-12-28 00:47:07,850 INFO L226 Difference]: Without dead ends: 7173 [2021-12-28 00:47:07,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:07,861 INFO L933 BasicCegarLoop]: 670 mSDtfsCounter, 1569 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:07,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1587 Valid, 1449 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [619 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-28 00:47:07,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7173 states. [2021-12-28 00:47:08,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7173 to 7061. [2021-12-28 00:47:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 5772 states have (on average 1.6592169092169091) internal successors, (9577), 5780 states have internal predecessors, (9577), 1255 states have call successors, (1255), 29 states have call predecessors, (1255), 33 states have return successors, (1372), 1253 states have call predecessors, (1372), 1254 states have call successors, (1372) [2021-12-28 00:47:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 12204 transitions. [2021-12-28 00:47:08,157 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 12204 transitions. Word has length 194 [2021-12-28 00:47:08,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:08,157 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 12204 transitions. [2021-12-28 00:47:08,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 12204 transitions. [2021-12-28 00:47:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-28 00:47:08,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:08,183 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:08,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-28 00:47:08,184 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:08,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1047143493, now seen corresponding path program 1 times [2021-12-28 00:47:08,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:08,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558410006] [2021-12-28 00:47:08,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:08,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 00:47:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 00:47:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 00:47:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 00:47:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 00:47:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 00:47:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 00:47:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 00:47:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 00:47:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 00:47:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 00:47:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 00:47:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 00:47:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 00:47:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 00:47:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-28 00:47:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:47:08,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:08,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558410006] [2021-12-28 00:47:08,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558410006] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:08,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:08,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:08,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923031575] [2021-12-28 00:47:08,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:08,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:08,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:08,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:08,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:08,294 INFO L87 Difference]: Start difference. First operand 7061 states and 12204 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:09,650 INFO L93 Difference]: Finished difference Result 17959 states and 31589 transitions. [2021-12-28 00:47:09,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:09,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2021-12-28 00:47:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:09,686 INFO L225 Difference]: With dead ends: 17959 [2021-12-28 00:47:09,686 INFO L226 Difference]: Without dead ends: 11957 [2021-12-28 00:47:09,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:09,705 INFO L933 BasicCegarLoop]: 643 mSDtfsCounter, 1593 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:09,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1612 Valid, 1382 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-28 00:47:09,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11957 states. [2021-12-28 00:47:10,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11957 to 11845. [2021-12-28 00:47:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11845 states, 9734 states have (on average 1.659646599547976) internal successors, (16155), 9742 states have internal predecessors, (16155), 2077 states have call successors, (2077), 29 states have call predecessors, (2077), 33 states have return successors, (2272), 2075 states have call predecessors, (2272), 2076 states have call successors, (2272) [2021-12-28 00:47:10,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11845 states to 11845 states and 20504 transitions. [2021-12-28 00:47:10,216 INFO L78 Accepts]: Start accepts. Automaton has 11845 states and 20504 transitions. Word has length 195 [2021-12-28 00:47:10,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:10,217 INFO L470 AbstractCegarLoop]: Abstraction has 11845 states and 20504 transitions. [2021-12-28 00:47:10,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 11845 states and 20504 transitions. [2021-12-28 00:47:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-28 00:47:10,256 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:10,256 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:10,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-28 00:47:10,257 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:10,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash -133451953, now seen corresponding path program 1 times [2021-12-28 00:47:10,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:10,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288390672] [2021-12-28 00:47:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:10,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 00:47:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 00:47:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 00:47:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 00:47:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:47:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 00:47:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 00:47:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 00:47:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 00:47:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 00:47:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 00:47:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:47:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 00:47:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 00:47:10,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:10,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288390672] [2021-12-28 00:47:10,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288390672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:10,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:10,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:10,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892922937] [2021-12-28 00:47:10,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:10,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:10,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:10,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:10,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:10,386 INFO L87 Difference]: Start difference. First operand 11845 states and 20504 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:12,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:12,013 INFO L93 Difference]: Finished difference Result 28392 states and 49714 transitions. [2021-12-28 00:47:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:12,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 177 [2021-12-28 00:47:12,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:12,075 INFO L225 Difference]: With dead ends: 28392 [2021-12-28 00:47:12,076 INFO L226 Difference]: Without dead ends: 18550 [2021-12-28 00:47:12,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:12,102 INFO L933 BasicCegarLoop]: 653 mSDtfsCounter, 1561 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:12,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 1366 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:47:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18550 states. [2021-12-28 00:47:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18550 to 18438. [2021-12-28 00:47:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18438 states, 15124 states have (on average 1.6345543507008728) internal successors, (24721), 15132 states have internal predecessors, (24721), 3280 states have call successors, (3280), 29 states have call predecessors, (3280), 33 states have return successors, (3619), 3278 states have call predecessors, (3619), 3279 states have call successors, (3619) [2021-12-28 00:47:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18438 states to 18438 states and 31620 transitions. [2021-12-28 00:47:12,904 INFO L78 Accepts]: Start accepts. Automaton has 18438 states and 31620 transitions. Word has length 177 [2021-12-28 00:47:12,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:12,904 INFO L470 AbstractCegarLoop]: Abstraction has 18438 states and 31620 transitions. [2021-12-28 00:47:12,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 18438 states and 31620 transitions. [2021-12-28 00:47:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-28 00:47:12,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:12,972 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:12,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-28 00:47:12,972 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:12,973 INFO L85 PathProgramCache]: Analyzing trace with hash 655271780, now seen corresponding path program 1 times [2021-12-28 00:47:12,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:12,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195610200] [2021-12-28 00:47:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:12,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 00:47:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 00:47:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 00:47:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 00:47:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 00:47:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 00:47:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 00:47:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:47:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 00:47:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 00:47:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 00:47:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 00:47:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 00:47:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 00:47:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 00:47:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 00:47:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:47:13,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:13,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195610200] [2021-12-28 00:47:13,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195610200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:13,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:13,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:13,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256877692] [2021-12-28 00:47:13,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:13,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:13,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:13,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:13,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:13,067 INFO L87 Difference]: Start difference. First operand 18438 states and 31620 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:15,130 INFO L93 Difference]: Finished difference Result 48814 states and 85218 transitions. [2021-12-28 00:47:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:15,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2021-12-28 00:47:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:15,227 INFO L225 Difference]: With dead ends: 48814 [2021-12-28 00:47:15,228 INFO L226 Difference]: Without dead ends: 32986 [2021-12-28 00:47:15,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:15,260 INFO L933 BasicCegarLoop]: 678 mSDtfsCounter, 1499 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:15,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1518 Valid, 1409 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-28 00:47:15,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32986 states. [2021-12-28 00:47:16,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32986 to 32874. [2021-12-28 00:47:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32874 states, 27110 states have (on average 1.6314275175212098) internal successors, (44228), 27118 states have internal predecessors, (44228), 5730 states have call successors, (5730), 29 states have call predecessors, (5730), 33 states have return successors, (6343), 5728 states have call predecessors, (6343), 5729 states have call successors, (6343) [2021-12-28 00:47:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32874 states to 32874 states and 56301 transitions. [2021-12-28 00:47:16,550 INFO L78 Accepts]: Start accepts. Automaton has 32874 states and 56301 transitions. Word has length 197 [2021-12-28 00:47:16,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:16,551 INFO L470 AbstractCegarLoop]: Abstraction has 32874 states and 56301 transitions. [2021-12-28 00:47:16,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32874 states and 56301 transitions. [2021-12-28 00:47:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-28 00:47:16,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:16,622 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:16,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-28 00:47:16,622 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:16,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:16,623 INFO L85 PathProgramCache]: Analyzing trace with hash 256175860, now seen corresponding path program 1 times [2021-12-28 00:47:16,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:16,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426674751] [2021-12-28 00:47:16,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:16,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 00:47:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 00:47:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 00:47:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 00:47:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 00:47:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 00:47:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 00:47:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 00:47:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-28 00:47:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 00:47:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 00:47:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 00:47:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 00:47:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 00:47:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 00:47:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 00:47:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 00:47:16,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:16,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426674751] [2021-12-28 00:47:16,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426674751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:16,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:16,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:16,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387826750] [2021-12-28 00:47:16,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:16,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:16,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:16,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:16,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:16,726 INFO L87 Difference]: Start difference. First operand 32874 states and 56301 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:19,525 INFO L93 Difference]: Finished difference Result 89711 states and 155852 transitions. [2021-12-28 00:47:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 198 [2021-12-28 00:47:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:19,751 INFO L225 Difference]: With dead ends: 89711 [2021-12-28 00:47:19,751 INFO L226 Difference]: Without dead ends: 60323 [2021-12-28 00:47:19,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:19,833 INFO L933 BasicCegarLoop]: 670 mSDtfsCounter, 1518 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:19,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 1409 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:47:19,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60323 states. [2021-12-28 00:47:22,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60323 to 60211. [2021-12-28 00:47:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60211 states, 49934 states have (on average 1.627167861577282) internal successors, (81251), 49942 states have internal predecessors, (81251), 10243 states have call successors, (10243), 29 states have call predecessors, (10243), 33 states have return successors, (11388), 10241 states have call predecessors, (11388), 10242 states have call successors, (11388) [2021-12-28 00:47:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60211 states to 60211 states and 102882 transitions. [2021-12-28 00:47:22,315 INFO L78 Accepts]: Start accepts. Automaton has 60211 states and 102882 transitions. Word has length 198 [2021-12-28 00:47:22,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:22,316 INFO L470 AbstractCegarLoop]: Abstraction has 60211 states and 102882 transitions. [2021-12-28 00:47:22,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 00:47:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 60211 states and 102882 transitions. [2021-12-28 00:47:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-28 00:47:22,429 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:22,429 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:22,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-28 00:47:22,430 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:22,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:22,430 INFO L85 PathProgramCache]: Analyzing trace with hash -652712167, now seen corresponding path program 1 times [2021-12-28 00:47:22,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:22,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048533760] [2021-12-28 00:47:22,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:22,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 00:47:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 00:47:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 00:47:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 00:47:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 00:47:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 00:47:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 00:47:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 00:47:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 00:47:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 00:47:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 00:47:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 00:47:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 00:47:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 00:47:22,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:22,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048533760] [2021-12-28 00:47:22,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048533760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:47:22,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:47:22,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 00:47:22,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058295388] [2021-12-28 00:47:22,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:47:22,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 00:47:22,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:22,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 00:47:22,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 00:47:22,513 INFO L87 Difference]: Start difference. First operand 60211 states and 102882 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 00:47:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:47:26,445 INFO L93 Difference]: Finished difference Result 112802 states and 196430 transitions. [2021-12-28 00:47:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 00:47:26,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 180 [2021-12-28 00:47:26,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:47:26,825 INFO L225 Difference]: With dead ends: 112802 [2021-12-28 00:47:26,826 INFO L226 Difference]: Without dead ends: 112581 [2021-12-28 00:47:26,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-28 00:47:26,881 INFO L933 BasicCegarLoop]: 653 mSDtfsCounter, 1551 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-28 00:47:26,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1569 Valid, 1384 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [641 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-28 00:47:26,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112581 states. [2021-12-28 00:47:31,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112581 to 112469. [2021-12-28 00:47:31,165 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) [2021-12-28 00:47:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112469 states to 112469 states and 191571 transitions. [2021-12-28 00:47:31,507 INFO L78 Accepts]: Start accepts. Automaton has 112469 states and 191571 transitions. Word has length 180 [2021-12-28 00:47:31,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:47:31,507 INFO L470 AbstractCegarLoop]: Abstraction has 112469 states and 191571 transitions. [2021-12-28 00:47:31,507 INFO L471 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) [2021-12-28 00:47:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 112469 states and 191571 transitions. [2021-12-28 00:47:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-28 00:47:31,973 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:47:31,973 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:47:31,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-28 00:47:31,974 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:47:31,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:47:31,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1244318104, now seen corresponding path program 1 times [2021-12-28 00:47:31,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:47:31,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887571216] [2021-12-28 00:47:31,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:31,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:47:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 00:47:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 00:47:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 00:47:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 00:47:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 00:47:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 00:47:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 00:47:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 00:47:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 00:47:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 00:47:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 00:47:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 00:47:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 00:47:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-28 00:47:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 00:47:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 00:47:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 00:47:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 00:47:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 00:47:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 00:47:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-28 00:47:32,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:47:32,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887571216] [2021-12-28 00:47:32,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887571216] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:47:32,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112932260] [2021-12-28 00:47:32,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:47:32,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:47:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:47:32,172 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) [2021-12-28 00:47:32,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-28 00:47:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:47:32,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-28 00:47:32,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:47:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-28 00:47:32,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:47:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 00:47:33,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112932260] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:47:33,218 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:47:33,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2021-12-28 00:47:33,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656358401] [2021-12-28 00:47:33,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:47:33,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-28 00:47:33,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:47:33,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-28 00:47:33,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2021-12-28 00:47:33,220 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)