./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec8_product14.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 --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 db5154a0e253326ecbc6009dd1b2954eaac96f88a97328f2e835902c9850ef53 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:11:25,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:11:25,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:11:25,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:11:25,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:11:26,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:11:26,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:11:26,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:11:26,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:11:26,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:11:26,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:11:26,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:11:26,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:11:26,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:11:26,008 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:11:26,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:11:26,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:11:26,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:11:26,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:11:26,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:11:26,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:11:26,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:11:26,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:11:26,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:11:26,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:11:26,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:11:26,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:11:26,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:11:26,016 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:11:26,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:11:26,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:11:26,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:11:26,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:11:26,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:11:26,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:11:26,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:11:26,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:11:26,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:11:26,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:11:26,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:11:26,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:11:26,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:11:26,021 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db5154a0e253326ecbc6009dd1b2954eaac96f88a97328f2e835902c9850ef53 [2024-11-09 23:11:26,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:11:26,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:11:26,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:11:26,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:11:26,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:11:26,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2024-11-09 23:11:27,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:11:28,077 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:11:28,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2024-11-09 23:11:28,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c9acf96/875dc0197c64406b8fa4c895a25b00c9/FLAGd87901bec [2024-11-09 23:11:28,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c9acf96/875dc0197c64406b8fa4c895a25b00c9 [2024-11-09 23:11:28,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:11:28,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:11:28,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:11:28,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:11:28,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:11:28,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:28,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d16ae48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28, skipping insertion in model container [2024-11-09 23:11:28,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:28,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:11:28,563 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c[17564,17577] [2024-11-09 23:11:28,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:11:28,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:11:28,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 23:11:28,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [414] [2024-11-09 23:11:28,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [432] [2024-11-09 23:11:28,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [740] [2024-11-09 23:11:28,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [749] [2024-11-09 23:11:28,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [855] [2024-11-09 23:11:28,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [897] [2024-11-09 23:11:28,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1300] [2024-11-09 23:11:28,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1525] [2024-11-09 23:11:28,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2598] [2024-11-09 23:11:28,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2879] [2024-11-09 23:11:28,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c[17564,17577] [2024-11-09 23:11:28,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:11:28,966 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:11:28,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28 WrapperNode [2024-11-09 23:11:28,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:11:28,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:11:28,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:11:28,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:11:28,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,056 INFO L138 Inliner]: procedures = 126, calls = 192, calls flagged for inlining = 51, calls inlined = 43, statements flattened = 906 [2024-11-09 23:11:29,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:11:29,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:11:29,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:11:29,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:11:29,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,113 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-09 23:11:29,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:11:29,163 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:11:29,163 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:11:29,163 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:11:29,164 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (1/1) ... [2024-11-09 23:11:29,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:11:29,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:29,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:11:29,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:11:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 23:11:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 23:11:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 23:11:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 23:11:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 23:11:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 23:11:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 23:11:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 23:11:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 23:11:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 23:11:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 23:11:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 23:11:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 23:11:29,268 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 23:11:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 23:11:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 23:11:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 23:11:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 23:11:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 23:11:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 23:11:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:11:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 23:11:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 23:11:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 23:11:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 23:11:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 23:11:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 23:11:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 23:11:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 23:11:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-09 23:11:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-09 23:11:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 23:11:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 23:11:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 23:11:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 23:11:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 23:11:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 23:11:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 23:11:29,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 23:11:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:11:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 23:11:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 23:11:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 23:11:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 23:11:29,274 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 23:11:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 23:11:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 23:11:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:11:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:11:29,513 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:11:29,516 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:11:29,671 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2232: #res#1 := ~retValue_acc~35#1; [2024-11-09 23:11:29,671 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2187-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~34#1; [2024-11-09 23:11:29,857 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2456-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~38#1; [2024-11-09 23:11:29,857 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2575-1: getClientId_#res#1 := getClientId_~retValue_acc~40#1; [2024-11-09 23:11:29,857 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2140-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~33#1; [2024-11-09 23:11:29,857 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~8#1; [2024-11-09 23:11:29,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L852-1: createEmail_#res#1 := createEmail_~retValue_acc~12#1; [2024-11-09 23:11:29,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1684: #res := ~retValue_acc~27; [2024-11-09 23:11:29,902 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1133: #res := ~retValue_acc~19; [2024-11-09 23:11:29,959 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1170: #res := ~retValue_acc~20; [2024-11-09 23:11:29,986 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: #res := ~retValue_acc~16; [2024-11-09 23:11:30,046 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2010: #res := ~retValue_acc~31; [2024-11-09 23:11:30,329 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2911-1: valid_product_#res#1 := valid_product_~retValue_acc~43#1; [2024-11-09 23:11:30,329 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2402-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~37#1; [2024-11-09 23:11:30,330 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L686-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~6#1; [2024-11-09 23:11:30,330 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2295-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~36#1; [2024-11-09 23:11:30,330 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~5#1; [2024-11-09 23:11:30,330 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~7#1; [2024-11-09 23:11:30,465 INFO L? ?]: Removed 446 outVars from TransFormulas that were not future-live. [2024-11-09 23:11:30,466 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:11:30,484 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:11:30,485 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:11:30,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:11:30 BoogieIcfgContainer [2024-11-09 23:11:30,485 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:11:30,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:11:30,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:11:30,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:11:30,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:11:28" (1/3) ... [2024-11-09 23:11:30,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc57b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:11:30, skipping insertion in model container [2024-11-09 23:11:30,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:11:28" (2/3) ... [2024-11-09 23:11:30,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc57b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:11:30, skipping insertion in model container [2024-11-09 23:11:30,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:11:30" (3/3) ... [2024-11-09 23:11:30,496 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2024-11-09 23:11:30,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:11:30,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:11:30,587 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:11:30,593 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c67298f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:11:30,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:11:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 280 states have (on average 1.5642857142857143) internal successors, (438), 285 states have internal predecessors, (438), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 23:11:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 23:11:30,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:30,619 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:30,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:30,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:30,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1014803701, now seen corresponding path program 1 times [2024-11-09 23:11:30,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:30,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494976812] [2024-11-09 23:11:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:30,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:11:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:11:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:11:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 23:11:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 23:11:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:11:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:11:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:11:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:11:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:11:31,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:31,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494976812] [2024-11-09 23:11:31,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494976812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:11:31,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590073284] [2024-11-09 23:11:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:31,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:31,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:31,480 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) [2024-11-09 23:11:31,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:11:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:31,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 23:11:31,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:11:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:11:31,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:11:31,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590073284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:31,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:11:31,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 23:11:31,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227910865] [2024-11-09 23:11:31,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:31,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:11:31,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:31,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:11:31,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:11:31,875 INFO L87 Difference]: Start difference. First operand has 355 states, 280 states have (on average 1.5642857142857143) internal successors, (438), 285 states have internal predecessors, (438), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:31,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:31,938 INFO L93 Difference]: Finished difference Result 511 states and 771 transitions. [2024-11-09 23:11:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:11:31,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-09 23:11:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:31,964 INFO L225 Difference]: With dead ends: 511 [2024-11-09 23:11:31,964 INFO L226 Difference]: Without dead ends: 347 [2024-11-09 23:11:31,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:11:31,979 INFO L432 NwaCegarLoop]: 537 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, 537 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 [2024-11-09 23:11:31,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:11:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-09 23:11:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2024-11-09 23:11:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 273 states have (on average 1.5604395604395604) internal successors, (426), 277 states have internal predecessors, (426), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 23:11:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 529 transitions. [2024-11-09 23:11:32,062 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 529 transitions. Word has length 99 [2024-11-09 23:11:32,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:32,065 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 529 transitions. [2024-11-09 23:11:32,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 529 transitions. [2024-11-09 23:11:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 23:11:32,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:32,075 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:32,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:11:32,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 23:11:32,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:32,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:32,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1358534747, now seen corresponding path program 1 times [2024-11-09 23:11:32,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:32,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922692530] [2024-11-09 23:11:32,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:11:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:11:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:11:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 23:11:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 23:11:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:11:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 23:11:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:11:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:11:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:11:32,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:32,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922692530] [2024-11-09 23:11:32,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922692530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:11:32,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250045196] [2024-11-09 23:11:32,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:32,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:32,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:32,617 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) [2024-11-09 23:11:32,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:11:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:32,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 23:11:32,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:11:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:11:32,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:11:32,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250045196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:32,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:11:32,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:11:32,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849031490] [2024-11-09 23:11:32,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:32,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:11:32,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:32,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:11:32,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:11:32,954 INFO L87 Difference]: Start difference. First operand 347 states and 529 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:33,003 INFO L93 Difference]: Finished difference Result 500 states and 748 transitions. [2024-11-09 23:11:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:11:33,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 101 [2024-11-09 23:11:33,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:33,010 INFO L225 Difference]: With dead ends: 500 [2024-11-09 23:11:33,012 INFO L226 Difference]: Without dead ends: 350 [2024-11-09 23:11:33,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:11:33,015 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 0 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:33,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1054 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:11:33,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-09 23:11:33,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-11-09 23:11:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 276 states have (on average 1.5543478260869565) internal successors, (429), 280 states have internal predecessors, (429), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 23:11:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 532 transitions. [2024-11-09 23:11:33,052 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 532 transitions. Word has length 101 [2024-11-09 23:11:33,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:33,053 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 532 transitions. [2024-11-09 23:11:33,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 532 transitions. [2024-11-09 23:11:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:11:33,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:33,059 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:33,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:11:33,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 23:11:33,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:33,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:33,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1781834025, now seen corresponding path program 1 times [2024-11-09 23:11:33,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:33,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275478336] [2024-11-09 23:11:33,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:11:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:11:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:11:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 23:11:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:11:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:11:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:11:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:11:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:11:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:11:33,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:33,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275478336] [2024-11-09 23:11:33,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275478336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:11:33,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362713949] [2024-11-09 23:11:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:33,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:33,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:33,533 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) [2024-11-09 23:11:33,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:11:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:33,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:11:33,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:11:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:11:33,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:11:33,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362713949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:33,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:11:33,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:11:33,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609592687] [2024-11-09 23:11:33,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:33,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:11:33,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:11:33,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:11:33,847 INFO L87 Difference]: Start difference. First operand 350 states and 532 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:33,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:33,893 INFO L93 Difference]: Finished difference Result 752 states and 1157 transitions. [2024-11-09 23:11:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:11:33,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-11-09 23:11:33,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:33,899 INFO L225 Difference]: With dead ends: 752 [2024-11-09 23:11:33,899 INFO L226 Difference]: Without dead ends: 430 [2024-11-09 23:11:33,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:11:33,903 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 136 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1035 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 [2024-11-09 23:11:33,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1035 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:11:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-09 23:11:33,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 422. [2024-11-09 23:11:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 334 states have (on average 1.5568862275449102) internal successors, (520), 338 states have internal predecessors, (520), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 23:11:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 651 transitions. [2024-11-09 23:11:33,944 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 651 transitions. Word has length 108 [2024-11-09 23:11:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:33,946 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 651 transitions. [2024-11-09 23:11:33,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 651 transitions. [2024-11-09 23:11:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 23:11:33,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:33,949 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:33,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 23:11:34,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:34,150 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:34,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash 332122130, now seen corresponding path program 1 times [2024-11-09 23:11:34,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:34,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809551660] [2024-11-09 23:11:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:34,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:11:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:11:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:11:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 23:11:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:11:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:11:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:11:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:11:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:11:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:11:34,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809551660] [2024-11-09 23:11:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809551660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:11:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545710181] [2024-11-09 23:11:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:34,360 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) [2024-11-09 23:11:34,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:11:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:34,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:11:34,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:11:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:11:34,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:11:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545710181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:34,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:11:34,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:11:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684371805] [2024-11-09 23:11:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:34,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:11:34,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:11:34,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:11:34,730 INFO L87 Difference]: Start difference. First operand 422 states and 651 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:34,804 INFO L93 Difference]: Finished difference Result 835 states and 1292 transitions. [2024-11-09 23:11:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:11:34,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-09 23:11:34,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:34,810 INFO L225 Difference]: With dead ends: 835 [2024-11-09 23:11:34,810 INFO L226 Difference]: Without dead ends: 424 [2024-11-09 23:11:34,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:11:34,813 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 2 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:34,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2073 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:11:34,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-09 23:11:34,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-09 23:11:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 335 states have (on average 1.5552238805970149) internal successors, (521), 340 states have internal predecessors, (521), 66 states have call successors, (66), 21 states have call predecessors, (66), 22 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-09 23:11:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 654 transitions. [2024-11-09 23:11:34,845 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 654 transitions. Word has length 109 [2024-11-09 23:11:34,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:34,846 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 654 transitions. [2024-11-09 23:11:34,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 654 transitions. [2024-11-09 23:11:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 23:11:34,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:34,849 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:34,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 23:11:35,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:35,050 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:35,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1111098457, now seen corresponding path program 1 times [2024-11-09 23:11:35,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:35,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492353172] [2024-11-09 23:11:35,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:35,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:11:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:11:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 23:11:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:11:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 23:11:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:11:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:11:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:11:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:11:35,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:35,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492353172] [2024-11-09 23:11:35,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492353172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:11:35,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137066627] [2024-11-09 23:11:35,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:35,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:35,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:35,329 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) [2024-11-09 23:11:35,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:11:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:35,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:11:35,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:11:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:11:35,639 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:11:35,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137066627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:35,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:11:35,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 23:11:35,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736638571] [2024-11-09 23:11:35,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:35,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:11:35,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:35,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:11:35,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:11:35,642 INFO L87 Difference]: Start difference. First operand 424 states and 654 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:35,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:35,715 INFO L93 Difference]: Finished difference Result 837 states and 1297 transitions. [2024-11-09 23:11:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:11:35,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-09 23:11:35,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:35,718 INFO L225 Difference]: With dead ends: 837 [2024-11-09 23:11:35,718 INFO L226 Difference]: Without dead ends: 426 [2024-11-09 23:11:35,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:11:35,721 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 2 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:35,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2059 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:11:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-09 23:11:35,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-11-09 23:11:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 336 states have (on average 1.5535714285714286) internal successors, (522), 342 states have internal predecessors, (522), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-09 23:11:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 660 transitions. [2024-11-09 23:11:35,738 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 660 transitions. Word has length 110 [2024-11-09 23:11:35,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:35,739 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 660 transitions. [2024-11-09 23:11:35,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 660 transitions. [2024-11-09 23:11:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 23:11:35,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:35,742 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:35,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 23:11:35,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:35,947 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:35,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash -371961313, now seen corresponding path program 1 times [2024-11-09 23:11:35,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:35,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849771253] [2024-11-09 23:11:35,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:35,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:11:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 23:11:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:11:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 23:11:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:11:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:11:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:11:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:11:36,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:36,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849771253] [2024-11-09 23:11:36,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849771253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:36,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:36,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:11:36,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344829683] [2024-11-09 23:11:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:36,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:11:36,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:11:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:11:36,167 INFO L87 Difference]: Start difference. First operand 426 states and 660 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:38,030 INFO L93 Difference]: Finished difference Result 912 states and 1434 transitions. [2024-11-09 23:11:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:11:38,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-11-09 23:11:38,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:38,035 INFO L225 Difference]: With dead ends: 912 [2024-11-09 23:11:38,036 INFO L226 Difference]: Without dead ends: 509 [2024-11-09 23:11:38,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:11:38,039 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1090 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:38,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 1355 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 23:11:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-09 23:11:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 426. [2024-11-09 23:11:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 336 states have (on average 1.5535714285714286) internal successors, (522), 342 states have internal predecessors, (522), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-09 23:11:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 659 transitions. [2024-11-09 23:11:38,083 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 659 transitions. Word has length 111 [2024-11-09 23:11:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:38,083 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 659 transitions. [2024-11-09 23:11:38,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 659 transitions. [2024-11-09 23:11:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 23:11:38,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:38,086 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-09 23:11:38,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:11:38,086 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:38,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:38,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1940252438, now seen corresponding path program 2 times [2024-11-09 23:11:38,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:38,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772102029] [2024-11-09 23:11:38,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:38,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 23:11:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 23:11:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:11:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 23:11:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:11:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:11:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:11:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:11:38,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:38,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772102029] [2024-11-09 23:11:38,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772102029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:38,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:38,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:11:38,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928136114] [2024-11-09 23:11:38,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:38,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:11:38,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:38,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:11:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:11:38,303 INFO L87 Difference]: Start difference. First operand 426 states and 659 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:39,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:39,966 INFO L93 Difference]: Finished difference Result 914 states and 1437 transitions. [2024-11-09 23:11:39,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:11:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2024-11-09 23:11:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:39,970 INFO L225 Difference]: With dead ends: 914 [2024-11-09 23:11:39,971 INFO L226 Difference]: Without dead ends: 511 [2024-11-09 23:11:39,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:11:39,973 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1093 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:39,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 1353 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:11:39,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-09 23:11:40,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 428. [2024-11-09 23:11:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 337 states have (on average 1.5519287833827893) internal successors, (523), 344 states have internal predecessors, (523), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-09 23:11:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 662 transitions. [2024-11-09 23:11:40,008 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 662 transitions. Word has length 112 [2024-11-09 23:11:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:40,009 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 662 transitions. [2024-11-09 23:11:40,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:11:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 662 transitions. [2024-11-09 23:11:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 23:11:40,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:40,011 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:40,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:11:40,012 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:40,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash -221066174, now seen corresponding path program 1 times [2024-11-09 23:11:40,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:40,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472302248] [2024-11-09 23:11:40,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:40,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:11:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:11:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 23:11:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:11:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:11:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:11:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:11:40,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:40,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472302248] [2024-11-09 23:11:40,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472302248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:40,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:40,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:11:40,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914856600] [2024-11-09 23:11:40,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:40,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:11:40,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:40,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:11:40,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:11:40,278 INFO L87 Difference]: Start difference. First operand 428 states and 662 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:11:42,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:42,445 INFO L93 Difference]: Finished difference Result 912 states and 1432 transitions. [2024-11-09 23:11:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:11:42,446 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 113 [2024-11-09 23:11:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:42,449 INFO L225 Difference]: With dead ends: 912 [2024-11-09 23:11:42,450 INFO L226 Difference]: Without dead ends: 511 [2024-11-09 23:11:42,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:11:42,453 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1093 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 3439 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 3800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 3439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:42,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 1876 Invalid, 3800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 3439 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 23:11:42,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-09 23:11:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 428. [2024-11-09 23:11:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 337 states have (on average 1.5519287833827893) internal successors, (523), 344 states have internal predecessors, (523), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-09 23:11:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 661 transitions. [2024-11-09 23:11:42,497 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 661 transitions. Word has length 113 [2024-11-09 23:11:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:42,497 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 661 transitions. [2024-11-09 23:11:42,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:11:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 661 transitions. [2024-11-09 23:11:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 23:11:42,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:42,500 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-09 23:11:42,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:11:42,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:42,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:42,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2093959044, now seen corresponding path program 2 times [2024-11-09 23:11:42,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:42,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650204275] [2024-11-09 23:11:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:42,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:11:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:11:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 23:11:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:11:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:11:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:11:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:11:42,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:42,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650204275] [2024-11-09 23:11:42,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650204275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:42,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:42,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:11:42,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290210330] [2024-11-09 23:11:42,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:42,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:11:42,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:42,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:11:42,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:11:42,762 INFO L87 Difference]: Start difference. First operand 428 states and 661 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:11:44,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:44,889 INFO L93 Difference]: Finished difference Result 914 states and 1438 transitions. [2024-11-09 23:11:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:11:44,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 114 [2024-11-09 23:11:44,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:44,893 INFO L225 Difference]: With dead ends: 914 [2024-11-09 23:11:44,893 INFO L226 Difference]: Without dead ends: 513 [2024-11-09 23:11:44,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:11:44,895 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1086 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 3589 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 3932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 3589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:44,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1879 Invalid, 3932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 3589 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 23:11:44,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-09 23:11:44,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 430. [2024-11-09 23:11:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 338 states have (on average 1.5502958579881656) internal successors, (524), 346 states have internal predecessors, (524), 66 states have call successors, (66), 21 states have call predecessors, (66), 25 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-11-09 23:11:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 667 transitions. [2024-11-09 23:11:44,925 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 667 transitions. Word has length 114 [2024-11-09 23:11:44,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:44,925 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 667 transitions. [2024-11-09 23:11:44,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:11:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 667 transitions. [2024-11-09 23:11:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 23:11:44,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:44,928 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:44,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:11:44,928 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:44,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:44,928 INFO L85 PathProgramCache]: Analyzing trace with hash 284720645, now seen corresponding path program 1 times [2024-11-09 23:11:44,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:44,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012977380] [2024-11-09 23:11:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:44,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:11:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 23:11:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:11:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:11:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:11:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:11:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:45,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:45,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012977380] [2024-11-09 23:11:45,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012977380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:11:45,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10423401] [2024-11-09 23:11:45,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:45,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:45,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:11:45,085 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) [2024-11-09 23:11:45,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:11:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:45,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:11:45,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:11:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:45,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:11:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:45,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10423401] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:11:45,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:11:45,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-09 23:11:45,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442360996] [2024-11-09 23:11:45,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:11:45,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 23:11:45,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:45,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 23:11:45,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:11:45,493 INFO L87 Difference]: Start difference. First operand 430 states and 667 transitions. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 7 states have internal predecessors, (110), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:11:46,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:46,817 INFO L93 Difference]: Finished difference Result 1131 states and 1837 transitions. [2024-11-09 23:11:46,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:11:46,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 7 states have internal predecessors, (110), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-09 23:11:46,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:46,826 INFO L225 Difference]: With dead ends: 1131 [2024-11-09 23:11:46,826 INFO L226 Difference]: Without dead ends: 981 [2024-11-09 23:11:46,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:11:46,828 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 1796 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:46,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 1664 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:11:46,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-09 23:11:46,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 874. [2024-11-09 23:11:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 703 states have (on average 1.5761024182076813) internal successors, (1108), 711 states have internal predecessors, (1108), 145 states have call successors, (145), 21 states have call predecessors, (145), 25 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-11-09 23:11:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1419 transitions. [2024-11-09 23:11:46,871 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1419 transitions. Word has length 115 [2024-11-09 23:11:46,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:46,871 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1419 transitions. [2024-11-09 23:11:46,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 7 states have internal predecessors, (110), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:11:46,872 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1419 transitions. [2024-11-09 23:11:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 23:11:46,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:46,879 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:46,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 23:11:47,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:11:47,080 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:47,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:47,081 INFO L85 PathProgramCache]: Analyzing trace with hash -398077384, now seen corresponding path program 1 times [2024-11-09 23:11:47,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:47,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170613171] [2024-11-09 23:11:47,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:47,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:11:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:11:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:11:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:11:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:11:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:11:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:47,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170613171] [2024-11-09 23:11:47,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170613171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:47,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654390914] [2024-11-09 23:11:47,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:47,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:47,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:47,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:47,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:47,219 INFO L87 Difference]: Start difference. First operand 874 states and 1419 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:48,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:48,252 INFO L93 Difference]: Finished difference Result 2211 states and 3664 transitions. [2024-11-09 23:11:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:48,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 129 [2024-11-09 23:11:48,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:48,260 INFO L225 Difference]: With dead ends: 2211 [2024-11-09 23:11:48,260 INFO L226 Difference]: Without dead ends: 1407 [2024-11-09 23:11:48,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:48,264 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1222 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:48,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 1025 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:11:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2024-11-09 23:11:48,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1316. [2024-11-09 23:11:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1066 states have (on average 1.575984990619137) internal successors, (1680), 1074 states have internal predecessors, (1680), 224 states have call successors, (224), 21 states have call predecessors, (224), 25 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-11-09 23:11:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 2159 transitions. [2024-11-09 23:11:48,337 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 2159 transitions. Word has length 129 [2024-11-09 23:11:48,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:48,337 INFO L471 AbstractCegarLoop]: Abstraction has 1316 states and 2159 transitions. [2024-11-09 23:11:48,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 2159 transitions. [2024-11-09 23:11:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 23:11:48,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:48,344 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:48,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:11:48,344 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:48,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:48,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1595945993, now seen corresponding path program 1 times [2024-11-09 23:11:48,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:48,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801204296] [2024-11-09 23:11:48,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:48,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:11:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:11:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:11:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:11:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:11:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:11:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:48,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:48,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801204296] [2024-11-09 23:11:48,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801204296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:48,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:48,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159095698] [2024-11-09 23:11:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:48,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:48,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:48,458 INFO L87 Difference]: Start difference. First operand 1316 states and 2159 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:49,506 INFO L93 Difference]: Finished difference Result 3290 states and 5468 transitions. [2024-11-09 23:11:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:49,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2024-11-09 23:11:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:49,536 INFO L225 Difference]: With dead ends: 3290 [2024-11-09 23:11:49,536 INFO L226 Difference]: Without dead ends: 2103 [2024-11-09 23:11:49,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:49,541 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1213 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:49,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 996 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:11:49,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2024-11-09 23:11:49,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 2012. [2024-11-09 23:11:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 1643 states have (on average 1.5745587340231284) internal successors, (2587), 1651 states have internal predecessors, (2587), 343 states have call successors, (343), 21 states have call predecessors, (343), 25 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-11-09 23:11:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 3304 transitions. [2024-11-09 23:11:49,633 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 3304 transitions. Word has length 130 [2024-11-09 23:11:49,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:49,634 INFO L471 AbstractCegarLoop]: Abstraction has 2012 states and 3304 transitions. [2024-11-09 23:11:49,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 3304 transitions. [2024-11-09 23:11:49,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 23:11:49,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:49,645 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:49,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:11:49,645 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:49,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:49,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1656615192, now seen corresponding path program 1 times [2024-11-09 23:11:49,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:49,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587559895] [2024-11-09 23:11:49,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:49,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:11:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:11:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:11:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:11:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:11:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:11:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:49,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:49,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587559895] [2024-11-09 23:11:49,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587559895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:49,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:49,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:49,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303850834] [2024-11-09 23:11:49,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:49,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:49,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:49,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:49,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:49,783 INFO L87 Difference]: Start difference. First operand 2012 states and 3304 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:50,875 INFO L93 Difference]: Finished difference Result 4922 states and 8209 transitions. [2024-11-09 23:11:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:50,875 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2024-11-09 23:11:50,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:50,892 INFO L225 Difference]: With dead ends: 4922 [2024-11-09 23:11:50,892 INFO L226 Difference]: Without dead ends: 3178 [2024-11-09 23:11:50,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:50,899 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1220 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:50,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 993 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:11:50,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2024-11-09 23:11:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 3087. [2024-11-09 23:11:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 2556 states have (on average 1.5735524256651017) internal successors, (4022), 2564 states have internal predecessors, (4022), 505 states have call successors, (505), 21 states have call predecessors, (505), 25 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-11-09 23:11:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 5079 transitions. [2024-11-09 23:11:51,028 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 5079 transitions. Word has length 131 [2024-11-09 23:11:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:51,029 INFO L471 AbstractCegarLoop]: Abstraction has 3087 states and 5079 transitions. [2024-11-09 23:11:51,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 5079 transitions. [2024-11-09 23:11:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 23:11:51,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:51,041 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:51,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:11:51,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:51,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:51,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2003864247, now seen corresponding path program 1 times [2024-11-09 23:11:51,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:51,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083648084] [2024-11-09 23:11:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:51,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:11:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:11:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:11:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:11:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:11:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:11:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:51,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:51,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083648084] [2024-11-09 23:11:51,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083648084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:51,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:51,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:51,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596942586] [2024-11-09 23:11:51,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:51,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:51,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:51,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:51,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:51,154 INFO L87 Difference]: Start difference. First operand 3087 states and 5079 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:52,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:52,268 INFO L93 Difference]: Finished difference Result 7513 states and 12560 transitions. [2024-11-09 23:11:52,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:52,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2024-11-09 23:11:52,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:52,293 INFO L225 Difference]: With dead ends: 7513 [2024-11-09 23:11:52,293 INFO L226 Difference]: Without dead ends: 4924 [2024-11-09 23:11:52,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:52,303 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1208 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:52,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 994 Invalid, 1564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:11:52,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4924 states. [2024-11-09 23:11:52,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4924 to 4833. [2024-11-09 23:11:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 4057 states have (on average 1.572097609070742) internal successors, (6378), 4065 states have internal predecessors, (6378), 750 states have call successors, (750), 21 states have call predecessors, (750), 25 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-11-09 23:11:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 7951 transitions. [2024-11-09 23:11:52,531 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 7951 transitions. Word has length 132 [2024-11-09 23:11:52,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:52,531 INFO L471 AbstractCegarLoop]: Abstraction has 4833 states and 7951 transitions. [2024-11-09 23:11:52,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 7951 transitions. [2024-11-09 23:11:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 23:11:52,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:52,548 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:52,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:11:52,550 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:52,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:52,550 INFO L85 PathProgramCache]: Analyzing trace with hash 869074840, now seen corresponding path program 1 times [2024-11-09 23:11:52,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:52,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977987944] [2024-11-09 23:11:52,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:52,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:11:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:11:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:11:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:11:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:11:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:11:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:52,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:52,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977987944] [2024-11-09 23:11:52,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977987944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:52,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:52,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:52,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049985432] [2024-11-09 23:11:52,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:52,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:52,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:52,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:52,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:52,666 INFO L87 Difference]: Start difference. First operand 4833 states and 7951 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:53,997 INFO L93 Difference]: Finished difference Result 12124 states and 20267 transitions. [2024-11-09 23:11:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:53,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 133 [2024-11-09 23:11:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:54,037 INFO L225 Difference]: With dead ends: 12124 [2024-11-09 23:11:54,037 INFO L226 Difference]: Without dead ends: 8063 [2024-11-09 23:11:54,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:54,049 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 1202 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:54,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 1059 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:11:54,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8063 states. [2024-11-09 23:11:54,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8063 to 7972. [2024-11-09 23:11:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7972 states, 6703 states have (on average 1.5648217216171862) internal successors, (10489), 6711 states have internal predecessors, (10489), 1243 states have call successors, (1243), 21 states have call predecessors, (1243), 25 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-11-09 23:11:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7972 states to 7972 states and 13092 transitions. [2024-11-09 23:11:54,427 INFO L78 Accepts]: Start accepts. Automaton has 7972 states and 13092 transitions. Word has length 133 [2024-11-09 23:11:54,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:54,428 INFO L471 AbstractCegarLoop]: Abstraction has 7972 states and 13092 transitions. [2024-11-09 23:11:54,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7972 states and 13092 transitions. [2024-11-09 23:11:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 23:11:54,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:54,452 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:54,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:11:54,453 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:54,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:54,453 INFO L85 PathProgramCache]: Analyzing trace with hash -784352713, now seen corresponding path program 1 times [2024-11-09 23:11:54,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:54,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284805671] [2024-11-09 23:11:54,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:11:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:11:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:11:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:11:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:11:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:11:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:54,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284805671] [2024-11-09 23:11:54,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284805671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:54,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:54,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:54,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586308516] [2024-11-09 23:11:54,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:54,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:54,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:54,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:54,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:54,592 INFO L87 Difference]: Start difference. First operand 7972 states and 13092 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:55,799 INFO L93 Difference]: Finished difference Result 20350 states and 33925 transitions. [2024-11-09 23:11:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:55,800 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 134 [2024-11-09 23:11:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:55,851 INFO L225 Difference]: With dead ends: 20350 [2024-11-09 23:11:55,851 INFO L226 Difference]: Without dead ends: 13589 [2024-11-09 23:11:55,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:55,873 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1203 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:55,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1026 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:11:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13589 states. [2024-11-09 23:11:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13589 to 13498. [2024-11-09 23:11:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13498 states, 11407 states have (on average 1.5612343297974927) internal successors, (17809), 11415 states have internal predecessors, (17809), 2065 states have call successors, (2065), 21 states have call predecessors, (2065), 25 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-11-09 23:11:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13498 states to 13498 states and 22134 transitions. [2024-11-09 23:11:56,365 INFO L78 Accepts]: Start accepts. Automaton has 13498 states and 22134 transitions. Word has length 134 [2024-11-09 23:11:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:56,365 INFO L471 AbstractCegarLoop]: Abstraction has 13498 states and 22134 transitions. [2024-11-09 23:11:56,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13498 states and 22134 transitions. [2024-11-09 23:11:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 23:11:56,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:56,391 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:56,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:11:56,392 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:56,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:56,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2037287544, now seen corresponding path program 1 times [2024-11-09 23:11:56,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:56,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360257252] [2024-11-09 23:11:56,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:56,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:11:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:11:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:11:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:11:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:11:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:11:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:56,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:56,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360257252] [2024-11-09 23:11:56,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360257252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:56,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:56,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:56,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278021358] [2024-11-09 23:11:56,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:56,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:56,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:56,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:56,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:56,496 INFO L87 Difference]: Start difference. First operand 13498 states and 22134 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:57,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:11:57,947 INFO L93 Difference]: Finished difference Result 32838 states and 54105 transitions. [2024-11-09 23:11:57,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:11:57,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 135 [2024-11-09 23:11:57,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:11:58,031 INFO L225 Difference]: With dead ends: 32838 [2024-11-09 23:11:58,032 INFO L226 Difference]: Without dead ends: 21581 [2024-11-09 23:11:58,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:11:58,071 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1202 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:11:58,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 998 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:11:58,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21581 states. [2024-11-09 23:11:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21581 to 21490. [2024-11-09 23:11:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21490 states, 18196 states have (on average 1.5263794240492417) internal successors, (27774), 18204 states have internal predecessors, (27774), 3268 states have call successors, (3268), 21 states have call predecessors, (3268), 25 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-11-09 23:11:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21490 states to 21490 states and 34649 transitions. [2024-11-09 23:11:58,912 INFO L78 Accepts]: Start accepts. Automaton has 21490 states and 34649 transitions. Word has length 135 [2024-11-09 23:11:58,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:11:58,913 INFO L471 AbstractCegarLoop]: Abstraction has 21490 states and 34649 transitions. [2024-11-09 23:11:58,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:11:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 21490 states and 34649 transitions. [2024-11-09 23:11:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:11:58,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:11:58,939 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:11:58,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:11:58,939 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:11:58,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:11:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash -791508553, now seen corresponding path program 1 times [2024-11-09 23:11:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:11:58,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219316190] [2024-11-09 23:11:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:11:58,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:11:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:58,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:11:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:11:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:11:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:11:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:11:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:11:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:11:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:11:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:11:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:11:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:11:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:11:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:11:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:11:59,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:11:59,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219316190] [2024-11-09 23:11:59,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219316190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:11:59,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:11:59,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:11:59,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099320972] [2024-11-09 23:11:59,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:11:59,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:11:59,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:11:59,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:11:59,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:11:59,043 INFO L87 Difference]: Start difference. First operand 21490 states and 34649 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:12:00,890 INFO L93 Difference]: Finished difference Result 57242 states and 93591 transitions. [2024-11-09 23:12:00,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:12:00,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-09 23:12:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:12:01,033 INFO L225 Difference]: With dead ends: 57242 [2024-11-09 23:12:01,033 INFO L226 Difference]: Without dead ends: 38714 [2024-11-09 23:12:01,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:12:01,090 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1195 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:12:01,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 995 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:12:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38714 states. [2024-11-09 23:12:02,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38714 to 38623. [2024-11-09 23:12:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38623 states, 32879 states have (on average 1.520058395936616) internal successors, (49978), 32887 states have internal predecessors, (49978), 5718 states have call successors, (5718), 21 states have call predecessors, (5718), 25 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-11-09 23:12:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38623 states to 38623 states and 62027 transitions. [2024-11-09 23:12:02,811 INFO L78 Accepts]: Start accepts. Automaton has 38623 states and 62027 transitions. Word has length 136 [2024-11-09 23:12:02,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:12:02,812 INFO L471 AbstractCegarLoop]: Abstraction has 38623 states and 62027 transitions. [2024-11-09 23:12:02,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 38623 states and 62027 transitions. [2024-11-09 23:12:02,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 23:12:02,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:12:02,834 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:12:02,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:12:02,834 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:12:02,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:12:02,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1356153480, now seen corresponding path program 1 times [2024-11-09 23:12:02,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:12:02,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910406443] [2024-11-09 23:12:02,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:12:02,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:12:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:12:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:12:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:12:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:12:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:12:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:12:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:12:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:12:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:12:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:12:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:12:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:12:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:12:03,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:12:03,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910406443] [2024-11-09 23:12:03,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910406443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:12:03,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:12:03,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:12:03,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815149068] [2024-11-09 23:12:03,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:12:03,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:12:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:12:03,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:12:03,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:12:03,270 INFO L87 Difference]: Start difference. First operand 38623 states and 62027 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:05,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:12:05,593 INFO L93 Difference]: Finished difference Result 105966 states and 172052 transitions. [2024-11-09 23:12:05,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:12:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2024-11-09 23:12:05,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:12:06,043 INFO L225 Difference]: With dead ends: 105966 [2024-11-09 23:12:06,043 INFO L226 Difference]: Without dead ends: 71327 [2024-11-09 23:12:06,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:12:06,137 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1196 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:12:06,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 1005 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:12:06,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71327 states. [2024-11-09 23:12:08,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71327 to 71236. [2024-11-09 23:12:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71236 states, 60979 states have (on average 1.5132586628183473) internal successors, (92277), 60987 states have internal predecessors, (92277), 10231 states have call successors, (10231), 21 states have call predecessors, (10231), 25 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-11-09 23:12:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71236 states to 71236 states and 113884 transitions. [2024-11-09 23:12:08,405 INFO L78 Accepts]: Start accepts. Automaton has 71236 states and 113884 transitions. Word has length 137 [2024-11-09 23:12:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:12:08,406 INFO L471 AbstractCegarLoop]: Abstraction has 71236 states and 113884 transitions. [2024-11-09 23:12:08,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 71236 states and 113884 transitions. [2024-11-09 23:12:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 23:12:08,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:12:08,434 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:12:08,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:12:08,434 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:12:08,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:12:08,434 INFO L85 PathProgramCache]: Analyzing trace with hash 517748951, now seen corresponding path program 1 times [2024-11-09 23:12:08,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:12:08,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382986965] [2024-11-09 23:12:08,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:12:08,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:12:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:12:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:12:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:12:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:12:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:12:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:12:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:12:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:12:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:12:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:12:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:12:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:12:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:12:08,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:12:08,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382986965] [2024-11-09 23:12:08,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382986965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:12:08,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:12:08,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:12:08,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062352486] [2024-11-09 23:12:08,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:12:08,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:12:08,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:12:08,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:12:08,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:12:08,556 INFO L87 Difference]: Start difference. First operand 71236 states and 113884 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:12,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:12:12,103 INFO L93 Difference]: Finished difference Result 134150 states and 217723 transitions. [2024-11-09 23:12:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:12:12,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-11-09 23:12:12,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:12:12,857 INFO L225 Difference]: With dead ends: 134150 [2024-11-09 23:12:12,858 INFO L226 Difference]: Without dead ends: 134000 [2024-11-09 23:12:12,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:12:12,891 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1192 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:12:12,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 1024 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 23:12:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134000 states. [2024-11-09 23:12:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134000 to 133909. [2024-11-09 23:12:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133909 states, 115284 states have (on average 1.5058377571909372) internal successors, (173599), 115292 states have internal predecessors, (173599), 18599 states have call successors, (18599), 21 states have call predecessors, (18599), 25 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-09 23:12:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133909 states to 133909 states and 212988 transitions. [2024-11-09 23:12:16,913 INFO L78 Accepts]: Start accepts. Automaton has 133909 states and 212988 transitions. Word has length 138 [2024-11-09 23:12:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:12:16,914 INFO L471 AbstractCegarLoop]: Abstraction has 133909 states and 212988 transitions. [2024-11-09 23:12:16,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 133909 states and 212988 transitions. [2024-11-09 23:12:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 23:12:16,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:12:16,945 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:12:16,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:12:16,946 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:12:16,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:12:16,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1289697834, now seen corresponding path program 2 times [2024-11-09 23:12:16,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:12:16,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625343867] [2024-11-09 23:12:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:12:16,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:12:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:12:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:12:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:12:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:12:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:12:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:12:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:12:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:12:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:12:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:12:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:12:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:12:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:12:17,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:12:17,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625343867] [2024-11-09 23:12:17,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625343867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:12:17,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:12:17,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:12:17,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994400610] [2024-11-09 23:12:17,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:12:17,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:12:17,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:12:17,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:12:17,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:12:17,093 INFO L87 Difference]: Start difference. First operand 133909 states and 212988 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:21,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:12:21,661 INFO L93 Difference]: Finished difference Result 261475 states and 419408 transitions. [2024-11-09 23:12:21,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:12:21,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 139 [2024-11-09 23:12:21,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:12:22,170 INFO L225 Difference]: With dead ends: 261475 [2024-11-09 23:12:22,170 INFO L226 Difference]: Without dead ends: 134000 [2024-11-09 23:12:22,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:12:22,413 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 1224 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:12:22,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 1672 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:12:22,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134000 states. [2024-11-09 23:12:25,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134000 to 133909. [2024-11-09 23:12:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133909 states, 115284 states have (on average 1.4968512542937442) internal successors, (172563), 115292 states have internal predecessors, (172563), 18599 states have call successors, (18599), 21 states have call predecessors, (18599), 25 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-09 23:12:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133909 states to 133909 states and 211952 transitions. [2024-11-09 23:12:26,902 INFO L78 Accepts]: Start accepts. Automaton has 133909 states and 211952 transitions. Word has length 139 [2024-11-09 23:12:26,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:12:26,902 INFO L471 AbstractCegarLoop]: Abstraction has 133909 states and 211952 transitions. [2024-11-09 23:12:26,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:12:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 133909 states and 211952 transitions. [2024-11-09 23:12:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 23:12:26,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:12:26,926 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:12:26,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:12:26,926 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:12:26,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:12:26,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1498938488, now seen corresponding path program 1 times [2024-11-09 23:12:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:12:26,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383688906] [2024-11-09 23:12:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:12:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:12:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:12:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:12:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:12:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:12:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:12:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:12:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:12:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:12:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:12:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:12:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:12:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:12:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:12:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:12:27,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:12:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383688906] [2024-11-09 23:12:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383688906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:12:27,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:12:27,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 23:12:27,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456760267] [2024-11-09 23:12:27,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:12:27,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 23:12:27,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:12:27,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 23:12:27,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-09 23:12:27,281 INFO L87 Difference]: Start difference. First operand 133909 states and 211952 transitions. Second operand has 16 states, 15 states have (on average 6.6) internal successors, (99), 10 states have internal predecessors, (99), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 23:12:36,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:12:36,835 INFO L93 Difference]: Finished difference Result 266930 states and 434557 transitions. [2024-11-09 23:12:36,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-09 23:12:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.6) internal successors, (99), 10 states have internal predecessors, (99), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 139 [2024-11-09 23:12:36,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:12:38,088 INFO L225 Difference]: With dead ends: 266930 [2024-11-09 23:12:38,088 INFO L226 Difference]: Without dead ends: 266786 [2024-11-09 23:12:38,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 23:12:38,177 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 4135 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 5956 mSolverCounterSat, 1332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 7288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1332 IncrementalHoareTripleChecker+Valid, 5956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:12:38,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 3078 Invalid, 7288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1332 Valid, 5956 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 23:12:38,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266786 states.