./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_spec1_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 7bf93f828cd20929ce9c5f311b0e320b3840eed4f400e7f2f8e12c9cdbceb4d2 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 14:59:42,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 14:59:42,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 14:59:42,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 14:59:42,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 14:59:42,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 14:59:42,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 14:59:42,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 14:59:42,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 14:59:42,903 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 14:59:42,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 14:59:42,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 14:59:42,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 14:59:42,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 14:59:42,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 14:59:42,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 14:59:42,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 14:59:42,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 14:59:42,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 14:59:42,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 14:59:42,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 14:59:42,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 14:59:42,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 14:59:42,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 14:59:42,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 14:59:42,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 14:59:42,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 14:59:42,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 14:59:42,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 14:59:42,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 14:59:42,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 14:59:42,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 14:59:42,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:59:42,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 14:59:42,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 14:59:42,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 14:59:42,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 14:59:42,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 14:59:42,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 14:59:42,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 14:59:42,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 14:59:42,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 14:59:42,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf93f828cd20929ce9c5f311b0e320b3840eed4f400e7f2f8e12c9cdbceb4d2 [2024-11-08 14:59:43,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 14:59:43,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 14:59:43,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 14:59:43,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 14:59:43,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 14:59:43,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2024-11-08 14:59:44,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 14:59:44,951 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 14:59:44,952 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2024-11-08 14:59:44,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a2dbb87/b001ec3a273c493094128738f74c415a/FLAGaea7bcf12 [2024-11-08 14:59:44,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a2dbb87/b001ec3a273c493094128738f74c415a [2024-11-08 14:59:44,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 14:59:44,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 14:59:44,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 14:59:44,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 14:59:45,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 14:59:45,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:59:44" (1/1) ... [2024-11-08 14:59:45,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542781d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45, skipping insertion in model container [2024-11-08 14:59:45,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:59:44" (1/1) ... [2024-11-08 14:59:45,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 14:59:45,657 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_spec1_product14.cil.c[62671,62684] [2024-11-08 14:59:45,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:59:45,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 14:59:45,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-08 14:59:45,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [1128] [2024-11-08 14:59:45,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1170] [2024-11-08 14:59:45,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1456] [2024-11-08 14:59:45,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1562] [2024-11-08 14:59:45,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1579] [2024-11-08 14:59:45,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1617] [2024-11-08 14:59:45,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1983] [2024-11-08 14:59:45,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2208] [2024-11-08 14:59:45,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2486] [2024-11-08 14:59:45,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2889] [2024-11-08 14:59:45,796 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_spec1_product14.cil.c[62671,62684] [2024-11-08 14:59:45,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:59:45,839 INFO L204 MainTranslator]: Completed translation [2024-11-08 14:59:45,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45 WrapperNode [2024-11-08 14:59:45,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 14:59:45,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 14:59:45,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 14:59:45,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 14:59:45,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:45,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:45,957 INFO L138 Inliner]: procedures = 125, calls = 189, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 890 [2024-11-08 14:59:45,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 14:59:45,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 14:59:45,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 14:59:45,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 14:59:45,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:45,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:45,992 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,031 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]. [2024-11-08 14:59:46,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 14:59:46,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 14:59:46,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 14:59:46,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 14:59:46,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (1/1) ... [2024-11-08 14:59:46,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:59:46,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:46,133 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) [2024-11-08 14:59:46,135 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 [2024-11-08 14:59:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 14:59:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 14:59:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 14:59:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 14:59:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 14:59:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 14:59:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 14:59:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 14:59:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 14:59:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 14:59:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 14:59:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 14:59:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 14:59:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 14:59:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 14:59:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 14:59:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 14:59:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 14:59:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 14:59:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 14:59:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 14:59:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 14:59:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 14:59:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 14:59:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 14:59:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 14:59:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 14:59:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 14:59:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 14:59:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-08 14:59:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-08 14:59:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 14:59:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 14:59:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 14:59:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 14:59:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 14:59:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 14:59:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 14:59:46,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 14:59:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 14:59:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 14:59:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 14:59:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 14:59:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 14:59:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 14:59:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 14:59:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 14:59:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 14:59:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 14:59:46,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 14:59:46,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 14:59:47,265 INFO L? ?]: Removed 440 outVars from TransFormulas that were not future-live. [2024-11-08 14:59:47,265 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 14:59:47,296 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 14:59:47,297 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 14:59:47,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:59:47 BoogieIcfgContainer [2024-11-08 14:59:47,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 14:59:47,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 14:59:47,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 14:59:47,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 14:59:47,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 02:59:44" (1/3) ... [2024-11-08 14:59:47,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0c7690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:59:47, skipping insertion in model container [2024-11-08 14:59:47,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:59:45" (2/3) ... [2024-11-08 14:59:47,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0c7690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:59:47, skipping insertion in model container [2024-11-08 14:59:47,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:59:47" (3/3) ... [2024-11-08 14:59:47,308 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2024-11-08 14:59:47,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 14:59:47,328 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 14:59:47,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 14:59:47,424 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;@230f80e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 14:59:47,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 14:59:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 342 states, 267 states have (on average 1.5880149812734083) internal successors, (424), 272 states have internal predecessors, (424), 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) [2024-11-08 14:59:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 14:59:47,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:47,454 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] [2024-11-08 14:59:47,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:47,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash -156634383, now seen corresponding path program 1 times [2024-11-08 14:59:47,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:47,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561209680] [2024-11-08 14:59:47,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:59:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:59:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:59:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 14:59:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:59:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:59:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:59:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 14:59:48,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:48,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561209680] [2024-11-08 14:59:48,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561209680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:48,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692799596] [2024-11-08 14:59:48,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:48,282 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) [2024-11-08 14:59:48,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 14:59:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 14:59:48,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:59:48,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:48,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692799596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:48,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:48,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 14:59:48,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816216722] [2024-11-08 14:59:48,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:48,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 14:59:48,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:48,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 14:59:48,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:59:48,683 INFO L87 Difference]: Start difference. First operand has 342 states, 267 states have (on average 1.5880149812734083) internal successors, (424), 272 states have internal predecessors, (424), 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 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2024-11-08 14:59:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:48,736 INFO L93 Difference]: Finished difference Result 496 states and 754 transitions. [2024-11-08 14:59:48,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 14:59:48,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 98 [2024-11-08 14:59:48,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:48,756 INFO L225 Difference]: With dead ends: 496 [2024-11-08 14:59:48,756 INFO L226 Difference]: Without dead ends: 335 [2024-11-08 14:59:48,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:59:48,764 INFO L432 NwaCegarLoop]: 524 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, 524 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 [2024-11-08 14:59:48,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:48,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-08 14:59:48,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-11-08 14:59:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 261 states have (on average 1.582375478927203) internal successors, (413), 265 states have internal predecessors, (413), 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) [2024-11-08 14:59:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 516 transitions. [2024-11-08 14:59:48,832 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 516 transitions. Word has length 98 [2024-11-08 14:59:48,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:48,834 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 516 transitions. [2024-11-08 14:59:48,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2024-11-08 14:59:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 516 transitions. [2024-11-08 14:59:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 14:59:48,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:48,848 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] [2024-11-08 14:59:48,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 14:59:49,048 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 [2024-11-08 14:59:49,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:49,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:49,050 INFO L85 PathProgramCache]: Analyzing trace with hash 233231985, now seen corresponding path program 1 times [2024-11-08 14:59:49,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:49,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409271484] [2024-11-08 14:59:49,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:49,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:59:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:59:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:59:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 14:59:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:59:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:59:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:59:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:59:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:59:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 14:59:49,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:49,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409271484] [2024-11-08 14:59:49,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409271484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:49,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96152087] [2024-11-08 14:59:49,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:49,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:49,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:49,391 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) [2024-11-08 14:59:49,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 14:59:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:49,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 14:59:49,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:59:49,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:49,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96152087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:49,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:49,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 14:59:49,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535614563] [2024-11-08 14:59:49,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:49,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:59:49,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:49,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:59:49,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:49,793 INFO L87 Difference]: Start difference. First operand 335 states and 516 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2024-11-08 14:59:49,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:49,857 INFO L93 Difference]: Finished difference Result 486 states and 732 transitions. [2024-11-08 14:59:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:59:49,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 [2024-11-08 14:59:49,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:49,866 INFO L225 Difference]: With dead ends: 486 [2024-11-08 14:59:49,866 INFO L226 Difference]: Without dead ends: 338 [2024-11-08 14:59:49,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:49,868 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 1 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:49,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1026 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:49,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-08 14:59:49,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 337. [2024-11-08 14:59:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 263 states have (on average 1.5779467680608366) internal successors, (415), 267 states have internal predecessors, (415), 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) [2024-11-08 14:59:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 518 transitions. [2024-11-08 14:59:49,910 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 518 transitions. Word has length 99 [2024-11-08 14:59:49,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:49,911 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 518 transitions. [2024-11-08 14:59:49,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2024-11-08 14:59:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 518 transitions. [2024-11-08 14:59:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 14:59:49,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:49,916 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:49,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 14:59:50,117 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 [2024-11-08 14:59:50,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:50,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:50,118 INFO L85 PathProgramCache]: Analyzing trace with hash 932096872, now seen corresponding path program 1 times [2024-11-08 14:59:50,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:50,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092899054] [2024-11-08 14:59:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:59:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:59:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:59:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 14:59:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:59:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:59:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:59:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:59:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:59:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 14:59:50,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:50,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092899054] [2024-11-08 14:59:50,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092899054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:50,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059484693] [2024-11-08 14:59:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:50,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:50,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:50,359 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) [2024-11-08 14:59:50,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 14:59:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:50,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:59:50,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:59:50,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:50,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059484693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:50,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:50,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 14:59:50,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887604827] [2024-11-08 14:59:50,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:50,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:59:50,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:50,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:59:50,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:50,664 INFO L87 Difference]: Start difference. First operand 337 states and 518 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-08 14:59:50,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:50,704 INFO L93 Difference]: Finished difference Result 717 states and 1120 transitions. [2024-11-08 14:59:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:59:50,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 105 [2024-11-08 14:59:50,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:50,709 INFO L225 Difference]: With dead ends: 717 [2024-11-08 14:59:50,709 INFO L226 Difference]: Without dead ends: 407 [2024-11-08 14:59:50,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:50,712 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 126 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1003 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 [2024-11-08 14:59:50,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1003 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-08 14:59:50,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 399. [2024-11-08 14:59:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 311 states have (on average 1.594855305466238) internal successors, (496), 315 states have internal predecessors, (496), 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) [2024-11-08 14:59:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 627 transitions. [2024-11-08 14:59:50,756 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 627 transitions. Word has length 105 [2024-11-08 14:59:50,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:50,757 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 627 transitions. [2024-11-08 14:59:50,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-08 14:59:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 627 transitions. [2024-11-08 14:59:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 14:59:50,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:50,763 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:50,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 14:59:50,967 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 [2024-11-08 14:59:50,968 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:50,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash -654731446, now seen corresponding path program 1 times [2024-11-08 14:59:50,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:50,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828077802] [2024-11-08 14:59:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:59:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:59:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:59:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 14:59:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:59:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:59:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:59:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:59:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:59:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 14:59:51,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:51,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828077802] [2024-11-08 14:59:51,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828077802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:51,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549595906] [2024-11-08 14:59:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:51,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:51,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:51,222 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) [2024-11-08 14:59:51,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 14:59:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:51,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 14:59:51,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 14:59:51,549 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:51,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549595906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:51,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:51,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 14:59:51,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654826064] [2024-11-08 14:59:51,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:51,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:59:51,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:51,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:59:51,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:59:51,551 INFO L87 Difference]: Start difference. First operand 399 states and 627 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-08 14:59:51,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:51,609 INFO L93 Difference]: Finished difference Result 789 states and 1244 transitions. [2024-11-08 14:59:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:59:51,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 106 [2024-11-08 14:59:51,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:51,613 INFO L225 Difference]: With dead ends: 789 [2024-11-08 14:59:51,613 INFO L226 Difference]: Without dead ends: 401 [2024-11-08 14:59:51,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:59:51,615 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 2 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2021 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 [2024-11-08 14:59:51,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2021 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:51,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-08 14:59:51,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-11-08 14:59:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 312 states have (on average 1.5929487179487178) internal successors, (497), 317 states have internal predecessors, (497), 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) [2024-11-08 14:59:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 630 transitions. [2024-11-08 14:59:51,640 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 630 transitions. Word has length 106 [2024-11-08 14:59:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:51,641 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 630 transitions. [2024-11-08 14:59:51,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-08 14:59:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 630 transitions. [2024-11-08 14:59:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 14:59:51,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:51,645 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:51,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 14:59:51,848 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 [2024-11-08 14:59:51,849 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:51,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:51,850 INFO L85 PathProgramCache]: Analyzing trace with hash 59366120, now seen corresponding path program 1 times [2024-11-08 14:59:51,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:51,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947565834] [2024-11-08 14:59:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:51,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 14:59:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 14:59:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:59:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:59:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:59:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 14:59:52,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:52,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947565834] [2024-11-08 14:59:52,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947565834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:52,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41453643] [2024-11-08 14:59:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:52,176 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) [2024-11-08 14:59:52,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 14:59:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 14:59:52,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 14:59:52,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:52,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41453643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:52,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:52,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 14:59:52,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216879437] [2024-11-08 14:59:52,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:52,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:59:52,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:52,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:59:52,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:59:52,511 INFO L87 Difference]: Start difference. First operand 401 states and 630 transitions. Second operand has 5 states, 5 states have (on average 14.8) 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), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 14:59:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:52,583 INFO L93 Difference]: Finished difference Result 791 states and 1249 transitions. [2024-11-08 14:59:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:59:52,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) 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), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-11-08 14:59:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:52,587 INFO L225 Difference]: With dead ends: 791 [2024-11-08 14:59:52,587 INFO L226 Difference]: Without dead ends: 403 [2024-11-08 14:59:52,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:59:52,589 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 2 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2007 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 [2024-11-08 14:59:52,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2007 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:52,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-08 14:59:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-08 14:59:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 313 states have (on average 1.5910543130990416) internal successors, (498), 319 states have internal predecessors, (498), 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) [2024-11-08 14:59:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 636 transitions. [2024-11-08 14:59:52,606 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 636 transitions. Word has length 107 [2024-11-08 14:59:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:52,606 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 636 transitions. [2024-11-08 14:59:52,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) 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), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 14:59:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 636 transitions. [2024-11-08 14:59:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 14:59:52,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:52,609 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:52,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 14:59:52,813 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 [2024-11-08 14:59:52,814 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:52,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:52,814 INFO L85 PathProgramCache]: Analyzing trace with hash -306147499, now seen corresponding path program 1 times [2024-11-08 14:59:52,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:52,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14968344] [2024-11-08 14:59:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:52,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 14:59:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:59:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:59:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:59:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:59:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:52,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 14:59:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:53,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:59:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 14:59:53,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:53,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14968344] [2024-11-08 14:59:53,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14968344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:53,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:53,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:59:53,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589238905] [2024-11-08 14:59:53,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:53,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:59:53,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:53,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:59:53,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:59:53,005 INFO L87 Difference]: Start difference. First operand 403 states and 636 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-08 14:59:54,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:54,880 INFO L93 Difference]: Finished difference Result 864 states and 1383 transitions. [2024-11-08 14:59:54,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:59:54,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 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 108 [2024-11-08 14:59:54,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:54,884 INFO L225 Difference]: With dead ends: 864 [2024-11-08 14:59:54,885 INFO L226 Difference]: Without dead ends: 484 [2024-11-08 14:59:54,886 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 [2024-11-08 14:59:54,887 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1076 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 2403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:54,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1275 Invalid, 2403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 14:59:54,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-08 14:59:54,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 403. [2024-11-08 14:59:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 313 states have (on average 1.5910543130990416) internal successors, (498), 319 states have internal predecessors, (498), 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) [2024-11-08 14:59:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 635 transitions. [2024-11-08 14:59:54,927 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 635 transitions. Word has length 108 [2024-11-08 14:59:54,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:54,927 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 635 transitions. [2024-11-08 14:59:54,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-08 14:59:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 635 transitions. [2024-11-08 14:59:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 14:59:54,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:54,930 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] [2024-11-08 14:59:54,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 14:59:54,931 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:54,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:54,932 INFO L85 PathProgramCache]: Analyzing trace with hash 435953045, now seen corresponding path program 2 times [2024-11-08 14:59:54,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:54,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767652127] [2024-11-08 14:59:54,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:54,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 14:59:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:59:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:59:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:59:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:59:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 14:59:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 14:59:55,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:55,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767652127] [2024-11-08 14:59:55,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767652127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:55,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:55,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:59:55,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100646815] [2024-11-08 14:59:55,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:55,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:59:55,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:55,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:59:55,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:59:55,165 INFO L87 Difference]: Start difference. First operand 403 states and 635 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-08 14:59:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:56,983 INFO L93 Difference]: Finished difference Result 866 states and 1386 transitions. [2024-11-08 14:59:56,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:59:56,984 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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 109 [2024-11-08 14:59:56,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:56,988 INFO L225 Difference]: With dead ends: 866 [2024-11-08 14:59:56,988 INFO L226 Difference]: Without dead ends: 486 [2024-11-08 14:59:56,990 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 [2024-11-08 14:59:56,991 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1073 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:56,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1275 Invalid, 2427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 14:59:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-08 14:59:57,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 405. [2024-11-08 14:59:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 314 states have (on average 1.589171974522293) internal successors, (499), 321 states have internal predecessors, (499), 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) [2024-11-08 14:59:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 638 transitions. [2024-11-08 14:59:57,029 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 638 transitions. Word has length 109 [2024-11-08 14:59:57,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:57,031 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 638 transitions. [2024-11-08 14:59:57,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-08 14:59:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 638 transitions. [2024-11-08 14:59:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 14:59:57,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:57,034 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:57,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 14:59:57,034 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:57,035 INFO L85 PathProgramCache]: Analyzing trace with hash -110676752, now seen corresponding path program 1 times [2024-11-08 14:59:57,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:57,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115547614] [2024-11-08 14:59:57,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:59:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:59:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:59:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:59:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:59:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:59:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 14:59:57,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:57,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115547614] [2024-11-08 14:59:57,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115547614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:57,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:57,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 14:59:57,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445159135] [2024-11-08 14:59:57,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:57,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:59:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:57,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:59:57,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:59:57,267 INFO L87 Difference]: Start difference. First operand 405 states and 638 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 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) [2024-11-08 14:59:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:59,791 INFO L93 Difference]: Finished difference Result 864 states and 1381 transitions. [2024-11-08 14:59:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 14:59:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 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 110 [2024-11-08 14:59:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:59,795 INFO L225 Difference]: With dead ends: 864 [2024-11-08 14:59:59,795 INFO L226 Difference]: Without dead ends: 486 [2024-11-08 14:59:59,797 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 [2024-11-08 14:59:59,799 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1077 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 3513 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 3847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 3513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:59,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1767 Invalid, 3847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 3513 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 14:59:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-08 14:59:59,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 405. [2024-11-08 14:59:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 314 states have (on average 1.589171974522293) internal successors, (499), 321 states have internal predecessors, (499), 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) [2024-11-08 14:59:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 637 transitions. [2024-11-08 14:59:59,833 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 637 transitions. Word has length 110 [2024-11-08 14:59:59,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:59,834 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 637 transitions. [2024-11-08 14:59:59,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 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) [2024-11-08 14:59:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 637 transitions. [2024-11-08 14:59:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 14:59:59,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:59,836 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] [2024-11-08 14:59:59,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 14:59:59,837 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:59,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1214733079, now seen corresponding path program 2 times [2024-11-08 14:59:59,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:59,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238530541] [2024-11-08 14:59:59,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:59,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:59,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:00:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 15:00:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:00:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:00:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:00:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:00:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:00:00,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:00,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238530541] [2024-11-08 15:00:00,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238530541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:00,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:00,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:00:00,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492734743] [2024-11-08 15:00:00,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:00,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:00:00,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:00:00,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:00:00,107 INFO L87 Difference]: Start difference. First operand 405 states and 637 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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) [2024-11-08 15:00:02,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:02,290 INFO L93 Difference]: Finished difference Result 866 states and 1387 transitions. [2024-11-08 15:00:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:00:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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 111 [2024-11-08 15:00:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:02,295 INFO L225 Difference]: With dead ends: 866 [2024-11-08 15:00:02,295 INFO L226 Difference]: Without dead ends: 488 [2024-11-08 15:00:02,296 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 [2024-11-08 15:00:02,297 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1072 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 3589 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 3919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 3589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:02,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 1769 Invalid, 3919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 3589 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 15:00:02,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-08 15:00:02,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 407. [2024-11-08 15:00:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 315 states have (on average 1.5873015873015872) internal successors, (500), 323 states have internal predecessors, (500), 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) [2024-11-08 15:00:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 643 transitions. [2024-11-08 15:00:02,325 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 643 transitions. Word has length 111 [2024-11-08 15:00:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:02,326 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 643 transitions. [2024-11-08 15:00:02,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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) [2024-11-08 15:00:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 643 transitions. [2024-11-08 15:00:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 15:00:02,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:02,330 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:00:02,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:00:02,331 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:02,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash -843374101, now seen corresponding path program 1 times [2024-11-08 15:00:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:02,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523267313] [2024-11-08 15:00:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:00:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:00:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:00:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:00:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:00:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:00:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:02,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:02,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523267313] [2024-11-08 15:00:02,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523267313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:00:02,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111691711] [2024-11-08 15:00:02,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:02,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:00:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:00:02,506 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) [2024-11-08 15:00:02,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:00:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:02,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:00:02,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:00:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:02,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:00:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:02,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111691711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:00:02,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:00:02,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-08 15:00:02,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335631890] [2024-11-08 15:00:02,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:00:02,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 15:00:02,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:02,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 15:00:02,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:00:02,899 INFO L87 Difference]: Start difference. First operand 407 states and 643 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 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) [2024-11-08 15:00:04,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:04,418 INFO L93 Difference]: Finished difference Result 1053 states and 1756 transitions. [2024-11-08 15:00:04,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:00:04,419 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 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 112 [2024-11-08 15:00:04,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:04,425 INFO L225 Difference]: With dead ends: 1053 [2024-11-08 15:00:04,425 INFO L226 Difference]: Without dead ends: 905 [2024-11-08 15:00:04,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:00:04,428 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1745 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:04,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 1554 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [536 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:00:04,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-08 15:00:04,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 800. [2024-11-08 15:00:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 629 states have (on average 1.6422893481717011) internal successors, (1033), 637 states have internal predecessors, (1033), 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) [2024-11-08 15:00:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1344 transitions. [2024-11-08 15:00:04,471 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1344 transitions. Word has length 112 [2024-11-08 15:00:04,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:04,472 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1344 transitions. [2024-11-08 15:00:04,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 7 states have internal predecessors, (105), 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) [2024-11-08 15:00:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1344 transitions. [2024-11-08 15:00:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 15:00:04,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:04,477 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] [2024-11-08 15:00:04,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 15:00:04,677 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 [2024-11-08 15:00:04,678 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:04,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:04,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1148018674, now seen corresponding path program 1 times [2024-11-08 15:00:04,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:04,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512438608] [2024-11-08 15:00:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:04,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:00:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:00:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:00:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:00:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:00:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:00:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:04,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:04,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512438608] [2024-11-08 15:00:04,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512438608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:04,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:04,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:04,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362871090] [2024-11-08 15:00:04,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:04,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:04,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:04,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:04,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:04,810 INFO L87 Difference]: Start difference. First operand 800 states and 1344 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-11-08 15:00:06,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:06,069 INFO L93 Difference]: Finished difference Result 2011 states and 3461 transitions. [2024-11-08 15:00:06,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:06,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 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 118 [2024-11-08 15:00:06,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:06,078 INFO L225 Difference]: With dead ends: 2011 [2024-11-08 15:00:06,078 INFO L226 Difference]: Without dead ends: 1279 [2024-11-08 15:00:06,082 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 [2024-11-08 15:00:06,082 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1195 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:06,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 990 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:00:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2024-11-08 15:00:06,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1190. [2024-11-08 15:00:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 940 states have (on average 1.652127659574468) internal successors, (1553), 948 states have internal predecessors, (1553), 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) [2024-11-08 15:00:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 2032 transitions. [2024-11-08 15:00:06,146 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 2032 transitions. Word has length 118 [2024-11-08 15:00:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:06,146 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 2032 transitions. [2024-11-08 15:00:06,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-11-08 15:00:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 2032 transitions. [2024-11-08 15:00:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 15:00:06,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:06,153 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] [2024-11-08 15:00:06,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:00:06,153 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:06,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:06,154 INFO L85 PathProgramCache]: Analyzing trace with hash -379042841, now seen corresponding path program 1 times [2024-11-08 15:00:06,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:06,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044212209] [2024-11-08 15:00:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:00:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:00:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:00:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:00:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:00:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:00:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:06,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:06,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044212209] [2024-11-08 15:00:06,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044212209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:06,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:06,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:06,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230581073] [2024-11-08 15:00:06,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:06,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:06,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:06,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:06,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:06,288 INFO L87 Difference]: Start difference. First operand 1190 states and 2032 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-11-08 15:00:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:07,499 INFO L93 Difference]: Finished difference Result 2960 states and 5135 transitions. [2024-11-08 15:00:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:07,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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 119 [2024-11-08 15:00:07,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:07,513 INFO L225 Difference]: With dead ends: 2960 [2024-11-08 15:00:07,513 INFO L226 Difference]: Without dead ends: 1891 [2024-11-08 15:00:07,519 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 [2024-11-08 15:00:07,520 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1194 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:07,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 944 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:00:07,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2024-11-08 15:00:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1802. [2024-11-08 15:00:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1433 states have (on average 1.658060013956734) internal successors, (2376), 1441 states have internal predecessors, (2376), 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) [2024-11-08 15:00:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 3093 transitions. [2024-11-08 15:00:07,668 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 3093 transitions. Word has length 119 [2024-11-08 15:00:07,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:07,669 INFO L471 AbstractCegarLoop]: Abstraction has 1802 states and 3093 transitions. [2024-11-08 15:00:07,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-11-08 15:00:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 3093 transitions. [2024-11-08 15:00:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 15:00:07,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:07,681 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] [2024-11-08 15:00:07,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:00:07,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:07,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:07,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2117822860, now seen corresponding path program 1 times [2024-11-08 15:00:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:07,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068379315] [2024-11-08 15:00:07,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:00:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:00:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:00:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:00:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:00:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:00:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:07,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:07,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068379315] [2024-11-08 15:00:07,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068379315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:07,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:07,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:07,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623265277] [2024-11-08 15:00:07,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:07,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:07,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:07,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:07,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:07,833 INFO L87 Difference]: Start difference. First operand 1802 states and 3093 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-08 15:00:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:08,977 INFO L93 Difference]: Finished difference Result 4385 states and 7669 transitions. [2024-11-08 15:00:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:08,978 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 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 120 [2024-11-08 15:00:08,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:08,992 INFO L225 Difference]: With dead ends: 4385 [2024-11-08 15:00:08,993 INFO L226 Difference]: Without dead ends: 2829 [2024-11-08 15:00:08,998 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 [2024-11-08 15:00:08,999 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1193 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:08,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 933 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:00:09,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2829 states. [2024-11-08 15:00:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2829 to 2740. [2024-11-08 15:00:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2209 states have (on average 1.663196016296967) internal successors, (3674), 2217 states have internal predecessors, (3674), 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) [2024-11-08 15:00:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 4731 transitions. [2024-11-08 15:00:09,114 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 4731 transitions. Word has length 120 [2024-11-08 15:00:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:09,114 INFO L471 AbstractCegarLoop]: Abstraction has 2740 states and 4731 transitions. [2024-11-08 15:00:09,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-08 15:00:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 4731 transitions. [2024-11-08 15:00:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 15:00:09,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:09,126 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] [2024-11-08 15:00:09,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:00:09,127 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:09,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:09,127 INFO L85 PathProgramCache]: Analyzing trace with hash -567709178, now seen corresponding path program 1 times [2024-11-08 15:00:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:09,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824049647] [2024-11-08 15:00:09,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:00:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:00:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:00:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:00:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:00:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:00:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:09,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:09,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824049647] [2024-11-08 15:00:09,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824049647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:09,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:09,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132985] [2024-11-08 15:00:09,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:09,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:09,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:09,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:09,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:09,238 INFO L87 Difference]: Start difference. First operand 2740 states and 4731 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-08 15:00:10,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:10,563 INFO L93 Difference]: Finished difference Result 6634 states and 11678 transitions. [2024-11-08 15:00:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:10,563 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 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 121 [2024-11-08 15:00:10,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:10,592 INFO L225 Difference]: With dead ends: 6634 [2024-11-08 15:00:10,593 INFO L226 Difference]: Without dead ends: 4344 [2024-11-08 15:00:10,603 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 [2024-11-08 15:00:10,604 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1190 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:10,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 934 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:00:10,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2024-11-08 15:00:10,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 4255. [2024-11-08 15:00:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4255 states, 3479 states have (on average 1.6668582926128197) internal successors, (5799), 3487 states have internal predecessors, (5799), 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) [2024-11-08 15:00:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 4255 states and 7372 transitions. [2024-11-08 15:00:10,788 INFO L78 Accepts]: Start accepts. Automaton has 4255 states and 7372 transitions. Word has length 121 [2024-11-08 15:00:10,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:10,789 INFO L471 AbstractCegarLoop]: Abstraction has 4255 states and 7372 transitions. [2024-11-08 15:00:10,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-08 15:00:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4255 states and 7372 transitions. [2024-11-08 15:00:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 15:00:10,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:10,805 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] [2024-11-08 15:00:10,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:00:10,805 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:10,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:10,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1406541776, now seen corresponding path program 1 times [2024-11-08 15:00:10,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859615667] [2024-11-08 15:00:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:10,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:00:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:00:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:00:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:00:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:00:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:00:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:10,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:10,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859615667] [2024-11-08 15:00:10,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859615667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:10,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:10,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:10,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520558452] [2024-11-08 15:00:10,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:10,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:10,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:10,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:10,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:10,965 INFO L87 Difference]: Start difference. First operand 4255 states and 7372 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-08 15:00:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:12,237 INFO L93 Difference]: Finished difference Result 10650 states and 18790 transitions. [2024-11-08 15:00:12,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:12,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 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 122 [2024-11-08 15:00:12,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:12,292 INFO L225 Difference]: With dead ends: 10650 [2024-11-08 15:00:12,293 INFO L226 Difference]: Without dead ends: 7077 [2024-11-08 15:00:12,308 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 [2024-11-08 15:00:12,309 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1187 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:12,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 972 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:00:12,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7077 states. [2024-11-08 15:00:12,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7077 to 6988. [2024-11-08 15:00:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6988 states, 5719 states have (on average 1.6618289910823572) internal successors, (9504), 5727 states have internal predecessors, (9504), 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) [2024-11-08 15:00:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6988 states to 6988 states and 12107 transitions. [2024-11-08 15:00:12,667 INFO L78 Accepts]: Start accepts. Automaton has 6988 states and 12107 transitions. Word has length 122 [2024-11-08 15:00:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:12,668 INFO L471 AbstractCegarLoop]: Abstraction has 6988 states and 12107 transitions. [2024-11-08 15:00:12,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-08 15:00:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6988 states and 12107 transitions. [2024-11-08 15:00:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 15:00:12,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:12,688 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] [2024-11-08 15:00:12,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:00:12,688 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:12,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:12,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1060285598, now seen corresponding path program 1 times [2024-11-08 15:00:12,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:12,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304099295] [2024-11-08 15:00:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:12,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:00:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:00:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:00:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:00:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:00:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:00:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:12,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:12,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304099295] [2024-11-08 15:00:12,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304099295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:12,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:12,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886864024] [2024-11-08 15:00:12,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:12,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:12,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:12,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:12,818 INFO L87 Difference]: Start difference. First operand 6988 states and 12107 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-08 15:00:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:14,263 INFO L93 Difference]: Finished difference Result 17790 states and 31362 transitions. [2024-11-08 15:00:14,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:14,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 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 123 [2024-11-08 15:00:14,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:14,325 INFO L225 Difference]: With dead ends: 17790 [2024-11-08 15:00:14,325 INFO L226 Difference]: Without dead ends: 11861 [2024-11-08 15:00:14,342 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 [2024-11-08 15:00:14,343 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1187 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:14,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 943 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:00:14,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11861 states. [2024-11-08 15:00:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11861 to 11772. [2024-11-08 15:00:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11772 states, 9681 states have (on average 1.6611920256171884) internal successors, (16082), 9689 states have internal predecessors, (16082), 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) [2024-11-08 15:00:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11772 states to 11772 states and 20407 transitions. [2024-11-08 15:00:14,850 INFO L78 Accepts]: Start accepts. Automaton has 11772 states and 20407 transitions. Word has length 123 [2024-11-08 15:00:14,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:14,853 INFO L471 AbstractCegarLoop]: Abstraction has 11772 states and 20407 transitions. [2024-11-08 15:00:14,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-08 15:00:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 11772 states and 20407 transitions. [2024-11-08 15:00:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 15:00:14,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:14,878 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] [2024-11-08 15:00:14,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:00:14,879 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:14,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:14,879 INFO L85 PathProgramCache]: Analyzing trace with hash 205419470, now seen corresponding path program 1 times [2024-11-08 15:00:14,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:14,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143616978] [2024-11-08 15:00:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:14,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:00:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:00:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:00:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:00:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:00:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:00:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:14,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:14,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143616978] [2024-11-08 15:00:14,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143616978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:14,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:14,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:14,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280988826] [2024-11-08 15:00:14,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:14,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:14,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:14,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:14,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:14,989 INFO L87 Difference]: Start difference. First operand 11772 states and 20407 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-08 15:00:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:16,475 INFO L93 Difference]: Finished difference Result 28223 states and 49487 transitions. [2024-11-08 15:00:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:16,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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 124 [2024-11-08 15:00:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:16,574 INFO L225 Difference]: With dead ends: 28223 [2024-11-08 15:00:16,574 INFO L226 Difference]: Without dead ends: 18454 [2024-11-08 15:00:16,623 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 [2024-11-08 15:00:16,624 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1181 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:16,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 915 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:00:16,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18454 states. [2024-11-08 15:00:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18454 to 18365. [2024-11-08 15:00:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18365 states, 15071 states have (on average 1.6354588282131246) internal successors, (24648), 15079 states have internal predecessors, (24648), 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) [2024-11-08 15:00:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18365 states to 18365 states and 31523 transitions. [2024-11-08 15:00:17,630 INFO L78 Accepts]: Start accepts. Automaton has 18365 states and 31523 transitions. Word has length 124 [2024-11-08 15:00:17,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:17,631 INFO L471 AbstractCegarLoop]: Abstraction has 18365 states and 31523 transitions. [2024-11-08 15:00:17,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-08 15:00:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 18365 states and 31523 transitions. [2024-11-08 15:00:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 15:00:17,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:17,659 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] [2024-11-08 15:00:17,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:00:17,659 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:17,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:17,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1061974497, now seen corresponding path program 1 times [2024-11-08 15:00:17,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:17,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728913436] [2024-11-08 15:00:17,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:17,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:00:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:00:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:00:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:00:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:00:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:00:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:17,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:17,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728913436] [2024-11-08 15:00:17,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728913436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:17,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:17,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:17,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549861714] [2024-11-08 15:00:17,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:17,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:17,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:17,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:17,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:17,769 INFO L87 Difference]: Start difference. First operand 18365 states and 31523 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-11-08 15:00:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:19,614 INFO L93 Difference]: Finished difference Result 48645 states and 84991 transitions. [2024-11-08 15:00:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:19,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 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 125 [2024-11-08 15:00:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:19,789 INFO L225 Difference]: With dead ends: 48645 [2024-11-08 15:00:19,790 INFO L226 Difference]: Without dead ends: 32890 [2024-11-08 15:00:19,858 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 [2024-11-08 15:00:19,859 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1183 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:19,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 934 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:00:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32890 states. [2024-11-08 15:00:21,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32890 to 32801. [2024-11-08 15:00:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32801 states, 27057 states have (on average 1.6319251949587907) internal successors, (44155), 27065 states have internal predecessors, (44155), 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) [2024-11-08 15:00:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32801 states to 32801 states and 56204 transitions. [2024-11-08 15:00:21,337 INFO L78 Accepts]: Start accepts. Automaton has 32801 states and 56204 transitions. Word has length 125 [2024-11-08 15:00:21,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:21,337 INFO L471 AbstractCegarLoop]: Abstraction has 32801 states and 56204 transitions. [2024-11-08 15:00:21,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-11-08 15:00:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32801 states and 56204 transitions. [2024-11-08 15:00:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 15:00:21,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:21,365 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] [2024-11-08 15:00:21,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:00:21,365 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:21,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:21,366 INFO L85 PathProgramCache]: Analyzing trace with hash 277723476, now seen corresponding path program 1 times [2024-11-08 15:00:21,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:21,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215567517] [2024-11-08 15:00:21,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:21,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:00:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:00:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:00:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:00:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:00:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:00:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:21,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:21,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215567517] [2024-11-08 15:00:21,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215567517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:21,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:21,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:21,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288353775] [2024-11-08 15:00:21,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:21,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:21,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:21,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:21,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:21,489 INFO L87 Difference]: Start difference. First operand 32801 states and 56204 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 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) [2024-11-08 15:00:24,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:24,123 INFO L93 Difference]: Finished difference Result 89542 states and 155625 transitions. [2024-11-08 15:00:24,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:24,124 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 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 126 [2024-11-08 15:00:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:24,386 INFO L225 Difference]: With dead ends: 89542 [2024-11-08 15:00:24,386 INFO L226 Difference]: Without dead ends: 60227 [2024-11-08 15:00:24,465 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 [2024-11-08 15:00:24,465 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1180 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:24,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 940 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:00:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60227 states. [2024-11-08 15:00:26,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60227 to 60138. [2024-11-08 15:00:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60138 states, 49881 states have (on average 1.6274332912331348) internal successors, (81178), 49889 states have internal predecessors, (81178), 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) [2024-11-08 15:00:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60138 states to 60138 states and 102785 transitions. [2024-11-08 15:00:27,456 INFO L78 Accepts]: Start accepts. Automaton has 60138 states and 102785 transitions. Word has length 126 [2024-11-08 15:00:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:27,457 INFO L471 AbstractCegarLoop]: Abstraction has 60138 states and 102785 transitions. [2024-11-08 15:00:27,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 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) [2024-11-08 15:00:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 60138 states and 102785 transitions. [2024-11-08 15:00:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 15:00:27,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:27,492 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] [2024-11-08 15:00:27,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:00:27,492 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:27,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:27,493 INFO L85 PathProgramCache]: Analyzing trace with hash -333345311, now seen corresponding path program 1 times [2024-11-08 15:00:27,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:27,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695213494] [2024-11-08 15:00:27,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:27,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:00:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:00:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:00:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:00:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:00:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:00:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:27,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:27,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695213494] [2024-11-08 15:00:27,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695213494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:27,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:27,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:00:27,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484766289] [2024-11-08 15:00:27,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:27,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:00:27,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:27,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:00:27,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:00:27,628 INFO L87 Difference]: Start difference. First operand 60138 states and 102785 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-08 15:00:31,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:31,080 INFO L93 Difference]: Finished difference Result 112633 states and 196203 transitions. [2024-11-08 15:00:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:00:31,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 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 127 [2024-11-08 15:00:31,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:31,701 INFO L225 Difference]: With dead ends: 112633 [2024-11-08 15:00:31,702 INFO L226 Difference]: Without dead ends: 112485 [2024-11-08 15:00:32,002 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 [2024-11-08 15:00:32,004 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1177 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:32,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 975 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:00:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112485 states. [2024-11-08 15:00:35,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112485 to 112396. [2024-11-08 15:00:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112396 states, 93771 states have (on average 1.6218766996192853) internal successors, (152085), 93779 states have internal predecessors, (152085), 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) [2024-11-08 15:00:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112396 states to 112396 states and 191474 transitions. [2024-11-08 15:00:36,191 INFO L78 Accepts]: Start accepts. Automaton has 112396 states and 191474 transitions. Word has length 127 [2024-11-08 15:00:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:00:36,192 INFO L471 AbstractCegarLoop]: Abstraction has 112396 states and 191474 transitions. [2024-11-08 15:00:36,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-08 15:00:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 112396 states and 191474 transitions. [2024-11-08 15:00:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 15:00:36,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:00:36,227 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] [2024-11-08 15:00:36,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:00:36,227 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:00:36,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:00:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1394347435, now seen corresponding path program 1 times [2024-11-08 15:00:36,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:00:36,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321182731] [2024-11-08 15:00:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:00:36,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:00:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:00:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:00:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:00:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:00:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:00:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:00:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:00:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:00:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:00:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:00:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:00:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:00:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:00:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:00:37,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:00:37,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321182731] [2024-11-08 15:00:37,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321182731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:00:37,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:00:37,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 15:00:37,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777463747] [2024-11-08 15:00:37,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:00:37,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 15:00:37,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:00:37,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 15:00:37,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-08 15:00:37,067 INFO L87 Difference]: Start difference. First operand 112396 states and 191474 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 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) [2024-11-08 15:00:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:00:46,298 INFO L93 Difference]: Finished difference Result 224134 states and 393820 transitions. [2024-11-08 15:00:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-08 15:00:46,298 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 10 states have internal predecessors, (88), 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 128 [2024-11-08 15:00:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:00:47,534 INFO L225 Difference]: With dead ends: 224134 [2024-11-08 15:00:47,534 INFO L226 Difference]: Without dead ends: 223992 [2024-11-08 15:00:47,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-11-08 15:00:47,647 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 4013 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 6225 mSolverCounterSat, 1291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 2930 SdHoareTripleChecker+Invalid, 7516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1291 IncrementalHoareTripleChecker+Valid, 6225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:00:47,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 2930 Invalid, 7516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1291 Valid, 6225 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-08 15:00:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223992 states. [2024-11-08 15:00:55,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223992 to 223744.