./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl --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 f84999f0f81e33d8d10765588f1ef0eb7f6e4b27122985f82c092211345428dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:03,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:03,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:21:03,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:03,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:03,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:03,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:03,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:03,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:03,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:03,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:03,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:03,867 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:03,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:03,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:03,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:03,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:03,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:03,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:03,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:03,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:03,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:03,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:03,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:03,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:03,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:03,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:03,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:03,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:03,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:03,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:03,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:03,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:03,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:21:03,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:03,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:03,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:03,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:03,894 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:03,894 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f84999f0f81e33d8d10765588f1ef0eb7f6e4b27122985f82c092211345428dc [2023-11-12 02:21:04,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:04,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:04,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:04,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:04,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:04,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2023-11-12 02:21:07,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:07,716 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:07,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2023-11-12 02:21:07,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/data/8e76e4374/210b0b8ef0db4279928c42a7345497cf/FLAGcf08f2c23 [2023-11-12 02:21:07,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/data/8e76e4374/210b0b8ef0db4279928c42a7345497cf [2023-11-12 02:21:07,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:07,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:07,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:07,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:07,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:07,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:07" (1/1) ... [2023-11-12 02:21:07,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135df9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:07, skipping insertion in model container [2023-11-12 02:21:07,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:07" (1/1) ... [2023-11-12 02:21:07,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:08,143 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c[8301,8314] [2023-11-12 02:21:08,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:08,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:08,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-11-12 02:21:08,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [277] [2023-11-12 02:21:08,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [334] [2023-11-12 02:21:08,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [343] [2023-11-12 02:21:08,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [490] [2023-11-12 02:21:08,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [507] [2023-11-12 02:21:08,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [909] [2023-11-12 02:21:08,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1275] [2023-11-12 02:21:08,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2355] [2023-11-12 02:21:08,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2761] [2023-11-12 02:21:08,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2799] [2023-11-12 02:21:08,712 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c[8301,8314] [2023-11-12 02:21:08,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:08,882 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:21:08,890 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:08,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08 WrapperNode [2023-11-12 02:21:08,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:08,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:08,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:08,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:08,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:08,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,002 INFO L138 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1120 [2023-11-12 02:21:09,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:09,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:09,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:09,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:09,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:09,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:09,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:09,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:09,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (1/1) ... [2023-11-12 02:21:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:09,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:09,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:09,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-11-12 02:21:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-11-12 02:21:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-12 02:21:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-12 02:21:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-12 02:21:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-12 02:21:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-12 02:21:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-12 02:21:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-12 02:21:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-12 02:21:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-12 02:21:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-12 02:21:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-12 02:21:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-12 02:21:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-12 02:21:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-12 02:21:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-12 02:21:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-12 02:21:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-12 02:21:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-12 02:21:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-12 02:21:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-12 02:21:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-12 02:21:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-12 02:21:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-12 02:21:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-12 02:21:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-12 02:21:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-12 02:21:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-12 02:21:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-12 02:21:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-12 02:21:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-11-12 02:21:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-11-12 02:21:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-12 02:21:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-12 02:21:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-12 02:21:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-12 02:21:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-12 02:21:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-12 02:21:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-12 02:21:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-12 02:21:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-11-12 02:21:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-11-12 02:21:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-12 02:21:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-12 02:21:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-12 02:21:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-12 02:21:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-12 02:21:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-12 02:21:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-12 02:21:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-12 02:21:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-12 02:21:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-12 02:21:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:21:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-12 02:21:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-12 02:21:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-12 02:21:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-12 02:21:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:09,483 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:09,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:10,494 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:10,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:10,506 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:21:10,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:10 BoogieIcfgContainer [2023-11-12 02:21:10,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:10,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:21:10,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:21:10,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:21:10,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:21:07" (1/3) ... [2023-11-12 02:21:10,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0de4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:10, skipping insertion in model container [2023-11-12 02:21:10,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:08" (2/3) ... [2023-11-12 02:21:10,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0de4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:10, skipping insertion in model container [2023-11-12 02:21:10,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:10" (3/3) ... [2023-11-12 02:21:10,518 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product34.cil.c [2023-11-12 02:21:10,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:21:10,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:21:10,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:10,609 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@48f18c39, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:10,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:21:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 448 states, 347 states have (on average 1.5360230547550433) internal successors, (533), 352 states have internal predecessors, (533), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-11-12 02:21:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-12 02:21:10,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:10,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:10,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:10,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:10,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1401609271, now seen corresponding path program 1 times [2023-11-12 02:21:10,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:10,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906481267] [2023-11-12 02:21:10,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:21:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:21:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:21:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:21:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-12 02:21:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:21:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:21:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-12 02:21:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:21:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:21:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:21:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-12 02:21:11,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:11,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906481267] [2023-11-12 02:21:11,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906481267] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514312152] [2023-11-12 02:21:11,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:11,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:11,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:11,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:21:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:12,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:21:12,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 02:21:12,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:12,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514312152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:12,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:12,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-11-12 02:21:12,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208896722] [2023-11-12 02:21:12,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:12,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:21:12,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:12,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:21:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:12,373 INFO L87 Difference]: Start difference. First operand has 448 states, 347 states have (on average 1.5360230547550433) internal successors, (533), 352 states have internal predecessors, (533), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:12,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:12,449 INFO L93 Difference]: Finished difference Result 703 states and 1040 transitions. [2023-11-12 02:21:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:21:12,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2023-11-12 02:21:12,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:12,468 INFO L225 Difference]: With dead ends: 703 [2023-11-12 02:21:12,469 INFO L226 Difference]: Without dead ends: 441 [2023-11-12 02:21:12,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:12,481 INFO L413 NwaCegarLoop]: 671 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, 671 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 [2023-11-12 02:21:12,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:12,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-11-12 02:21:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2023-11-12 02:21:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 341 states have (on average 1.530791788856305) internal successors, (522), 345 states have internal predecessors, (522), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-12 02:21:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 663 transitions. [2023-11-12 02:21:12,576 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 663 transitions. Word has length 110 [2023-11-12 02:21:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:12,578 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 663 transitions. [2023-11-12 02:21:12,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 663 transitions. [2023-11-12 02:21:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-12 02:21:12,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:12,585 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:12,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:12,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:21:12,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:12,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:12,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1511627835, now seen corresponding path program 1 times [2023-11-12 02:21:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:12,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057568422] [2023-11-12 02:21:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:21:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:21:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:21:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-12 02:21:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-12 02:21:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:21:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-12 02:21:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:21:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:21:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:21:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-12 02:21:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-12 02:21:13,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057568422] [2023-11-12 02:21:13,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057568422] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:13,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676268162] [2023-11-12 02:21:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:13,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:13,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:13,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:21:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:13,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:21:13,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 02:21:13,640 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:13,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676268162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:13,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:13,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-12 02:21:13,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167077446] [2023-11-12 02:21:13,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:13,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:13,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:13,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:21:13,645 INFO L87 Difference]: Start difference. First operand 441 states and 663 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:13,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:13,747 INFO L93 Difference]: Finished difference Result 693 states and 1018 transitions. [2023-11-12 02:21:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:13,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2023-11-12 02:21:13,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:13,761 INFO L225 Difference]: With dead ends: 693 [2023-11-12 02:21:13,761 INFO L226 Difference]: Without dead ends: 444 [2023-11-12 02:21:13,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:21:13,766 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 1 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1320 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 [2023-11-12 02:21:13,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1320 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-11-12 02:21:13,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2023-11-12 02:21:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 343 states have (on average 1.5276967930029155) internal successors, (524), 347 states have internal predecessors, (524), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-12 02:21:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 665 transitions. [2023-11-12 02:21:13,816 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 665 transitions. Word has length 111 [2023-11-12 02:21:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:13,817 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 665 transitions. [2023-11-12 02:21:13,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 665 transitions. [2023-11-12 02:21:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:21:13,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:13,823 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:13,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:14,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:14,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:14,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:14,032 INFO L85 PathProgramCache]: Analyzing trace with hash 843354108, now seen corresponding path program 1 times [2023-11-12 02:21:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180306229] [2023-11-12 02:21:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:14,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:21:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:21:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:21:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:21:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:21:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:21:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-12 02:21:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:21:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:21:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:21:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:21:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 02:21:14,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:14,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180306229] [2023-11-12 02:21:14,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180306229] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:14,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993826688] [2023-11-12 02:21:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:14,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:14,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:14,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:21:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 1166 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:21:14,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 02:21:14,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:14,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993826688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:14,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:14,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-12 02:21:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102206869] [2023-11-12 02:21:14,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:14,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:14,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:14,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:14,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:21:14,851 INFO L87 Difference]: Start difference. First operand 443 states and 665 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:14,917 INFO L93 Difference]: Finished difference Result 934 states and 1422 transitions. [2023-11-12 02:21:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:14,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2023-11-12 02:21:14,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:14,924 INFO L225 Difference]: With dead ends: 934 [2023-11-12 02:21:14,924 INFO L226 Difference]: Without dead ends: 518 [2023-11-12 02:21:14,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:21:14,930 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 134 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1281 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 [2023-11-12 02:21:14,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1281 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:14,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2023-11-12 02:21:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 510. [2023-11-12 02:21:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 396 states have (on average 1.547979797979798) internal successors, (613), 400 states have internal predecessors, (613), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-12 02:21:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 782 transitions. [2023-11-12 02:21:14,992 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 782 transitions. Word has length 117 [2023-11-12 02:21:14,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:14,994 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 782 transitions. [2023-11-12 02:21:14,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 782 transitions. [2023-11-12 02:21:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:21:15,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:15,000 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:15,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:15,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:15,209 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:15,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:15,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2031116616, now seen corresponding path program 1 times [2023-11-12 02:21:15,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:15,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916758687] [2023-11-12 02:21:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:21:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:21:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:21:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-12 02:21:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:21:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:21:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:21:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-12 02:21:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:21:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-12 02:21:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-12 02:21:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 02:21:15,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:15,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916758687] [2023-11-12 02:21:15,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916758687] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:15,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616588026] [2023-11-12 02:21:15,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:15,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:15,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:15,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:15,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:21:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:15,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:21:15,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 02:21:16,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:16,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616588026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:16,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:16,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-12 02:21:16,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488194494] [2023-11-12 02:21:16,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:16,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:21:16,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:16,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:21:16,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:21:16,041 INFO L87 Difference]: Start difference. First operand 510 states and 782 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:16,153 INFO L93 Difference]: Finished difference Result 1011 states and 1554 transitions. [2023-11-12 02:21:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:21:16,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2023-11-12 02:21:16,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:16,162 INFO L225 Difference]: With dead ends: 1011 [2023-11-12 02:21:16,163 INFO L226 Difference]: Without dead ends: 512 [2023-11-12 02:21:16,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:21:16,169 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 8 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:16,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2605 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:16,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-11-12 02:21:16,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2023-11-12 02:21:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 402 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2023-11-12 02:21:16,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 785 transitions. [2023-11-12 02:21:16,218 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 785 transitions. Word has length 118 [2023-11-12 02:21:16,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:16,218 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 785 transitions. [2023-11-12 02:21:16,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 785 transitions. [2023-11-12 02:21:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-12 02:21:16,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:16,227 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:16,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:16,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:16,442 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:16,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1440532084, now seen corresponding path program 1 times [2023-11-12 02:21:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:16,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583456739] [2023-11-12 02:21:16,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:21:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-12 02:21:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:21:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:21:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-12 02:21:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-12 02:21:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-12 02:21:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:21:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:21:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-12 02:21:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 02:21:16,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:16,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583456739] [2023-11-12 02:21:16,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583456739] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:16,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554761773] [2023-11-12 02:21:16,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:16,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:16,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:16,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:16,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:21:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:21:17,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 02:21:17,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:17,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554761773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:17,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:17,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-12 02:21:17,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812950460] [2023-11-12 02:21:17,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:17,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:21:17,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:17,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:21:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-12 02:21:17,250 INFO L87 Difference]: Start difference. First operand 512 states and 785 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:17,341 INFO L93 Difference]: Finished difference Result 1013 states and 1559 transitions. [2023-11-12 02:21:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:21:17,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2023-11-12 02:21:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:17,347 INFO L225 Difference]: With dead ends: 1013 [2023-11-12 02:21:17,347 INFO L226 Difference]: Without dead ends: 514 [2023-11-12 02:21:17,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:21:17,351 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 8 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:17,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2591 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-11-12 02:21:17,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2023-11-12 02:21:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 404 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2023-11-12 02:21:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 791 transitions. [2023-11-12 02:21:17,379 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 791 transitions. Word has length 119 [2023-11-12 02:21:17,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:17,380 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 791 transitions. [2023-11-12 02:21:17,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 791 transitions. [2023-11-12 02:21:17,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 02:21:17,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:17,384 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:17,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:17,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:17,592 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:17,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:17,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1239817995, now seen corresponding path program 1 times [2023-11-12 02:21:17,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:17,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274893010] [2023-11-12 02:21:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:17,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:21:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:21:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:21:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:21:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:21:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-12 02:21:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:21:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:21:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:21:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 02:21:17,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:17,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274893010] [2023-11-12 02:21:17,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274893010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:17,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:17,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:21:17,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174335334] [2023-11-12 02:21:17,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:17,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:21:17,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:17,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:21:17,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:17,890 INFO L87 Difference]: Start difference. First operand 514 states and 791 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:21,219 INFO L93 Difference]: Finished difference Result 1210 states and 1878 transitions. [2023-11-12 02:21:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:21:21,220 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2023-11-12 02:21:21,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:21,227 INFO L225 Difference]: With dead ends: 1210 [2023-11-12 02:21:21,228 INFO L226 Difference]: Without dead ends: 719 [2023-11-12 02:21:21,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:21:21,233 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1658 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2999 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 3600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 2999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:21,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 1332 Invalid, 3600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [601 Valid, 2999 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-12 02:21:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2023-11-12 02:21:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 514. [2023-11-12 02:21:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 404 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2023-11-12 02:21:21,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 790 transitions. [2023-11-12 02:21:21,307 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 790 transitions. Word has length 120 [2023-11-12 02:21:21,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:21,309 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 790 transitions. [2023-11-12 02:21:21,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 790 transitions. [2023-11-12 02:21:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-12 02:21:21,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:21,313 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:21,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:21:21,314 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:21,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:21,314 INFO L85 PathProgramCache]: Analyzing trace with hash 880428033, now seen corresponding path program 2 times [2023-11-12 02:21:21,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:21,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663976748] [2023-11-12 02:21:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-12 02:21:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:21:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-12 02:21:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:21:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:21:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:21:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:21:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:21:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:21:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 02:21:21,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663976748] [2023-11-12 02:21:21,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663976748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:21,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:21,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:21:21,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214053780] [2023-11-12 02:21:21,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:21,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:21:21,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:21,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:21:21,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:21,583 INFO L87 Difference]: Start difference. First operand 514 states and 790 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:24,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:24,999 INFO L93 Difference]: Finished difference Result 1212 states and 1881 transitions. [2023-11-12 02:21:25,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:21:25,000 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2023-11-12 02:21:25,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:25,009 INFO L225 Difference]: With dead ends: 1212 [2023-11-12 02:21:25,009 INFO L226 Difference]: Without dead ends: 721 [2023-11-12 02:21:25,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:21:25,013 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1577 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3154 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 3154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:25,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 1334 Invalid, 3721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [567 Valid, 3154 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-12 02:21:25,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-11-12 02:21:25,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2023-11-12 02:21:25,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 399 states have (on average 1.543859649122807) internal successors, (616), 406 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2023-11-12 02:21:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 793 transitions. [2023-11-12 02:21:25,065 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 793 transitions. Word has length 121 [2023-11-12 02:21:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:25,066 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 793 transitions. [2023-11-12 02:21:25,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 02:21:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 793 transitions. [2023-11-12 02:21:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-12 02:21:25,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:25,070 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:25,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:21:25,070 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:25,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:25,071 INFO L85 PathProgramCache]: Analyzing trace with hash -124712218, now seen corresponding path program 1 times [2023-11-12 02:21:25,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:25,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085553824] [2023-11-12 02:21:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:25,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:21:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-12 02:21:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:21:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-12 02:21:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:21:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:21:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-12 02:21:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-12 02:21:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 02:21:25,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:25,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085553824] [2023-11-12 02:21:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085553824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:25,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-12 02:21:25,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610567600] [2023-11-12 02:21:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:25,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:21:25,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:25,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:21:25,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:21:25,401 INFO L87 Difference]: Start difference. First operand 516 states and 793 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-12 02:21:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:29,612 INFO L93 Difference]: Finished difference Result 1210 states and 1876 transitions. [2023-11-12 02:21:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:21:29,613 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 122 [2023-11-12 02:21:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:29,619 INFO L225 Difference]: With dead ends: 1210 [2023-11-12 02:21:29,619 INFO L226 Difference]: Without dead ends: 721 [2023-11-12 02:21:29,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-12 02:21:29,623 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1613 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5168 mSolverCounterSat, 610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 5778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 5168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:29,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 1845 Invalid, 5778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [610 Valid, 5168 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-12 02:21:29,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-11-12 02:21:29,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2023-11-12 02:21:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 399 states have (on average 1.543859649122807) internal successors, (616), 406 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2023-11-12 02:21:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 792 transitions. [2023-11-12 02:21:29,677 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 792 transitions. Word has length 122 [2023-11-12 02:21:29,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:29,677 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 792 transitions. [2023-11-12 02:21:29,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-12 02:21:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 792 transitions. [2023-11-12 02:21:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:21:29,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:29,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:29,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:21:29,682 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:29,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash -580455267, now seen corresponding path program 2 times [2023-11-12 02:21:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:29,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148112221] [2023-11-12 02:21:29,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:29,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:21:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:21:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-12 02:21:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:21:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:21:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-12 02:21:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-12 02:21:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:21:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 02:21:29,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:29,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148112221] [2023-11-12 02:21:29,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148112221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:29,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:29,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-12 02:21:29,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128263260] [2023-11-12 02:21:29,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:29,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:21:29,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:29,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:21:29,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:21:29,997 INFO L87 Difference]: Start difference. First operand 516 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-12 02:21:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:34,241 INFO L93 Difference]: Finished difference Result 1212 states and 1882 transitions. [2023-11-12 02:21:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:21:34,241 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2023-11-12 02:21:34,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:34,248 INFO L225 Difference]: With dead ends: 1212 [2023-11-12 02:21:34,248 INFO L226 Difference]: Without dead ends: 723 [2023-11-12 02:21:34,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-12 02:21:34,252 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1679 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4993 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 5594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 4993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:34,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1842 Invalid, 5594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [601 Valid, 4993 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-12 02:21:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2023-11-12 02:21:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 518. [2023-11-12 02:21:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 400 states have (on average 1.5425) internal successors, (617), 408 states have internal predecessors, (617), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2023-11-12 02:21:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 798 transitions. [2023-11-12 02:21:34,305 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 798 transitions. Word has length 123 [2023-11-12 02:21:34,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:34,306 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 798 transitions. [2023-11-12 02:21:34,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-12 02:21:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 798 transitions. [2023-11-12 02:21:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:21:34,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:34,310 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:34,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:21:34,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:34,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:34,311 INFO L85 PathProgramCache]: Analyzing trace with hash -384876767, now seen corresponding path program 1 times [2023-11-12 02:21:34,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:34,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478366423] [2023-11-12 02:21:34,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:34,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:21:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:21:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:21:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:21:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:21:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:21:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:21:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:21:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,502 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:34,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:34,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478366423] [2023-11-12 02:21:34,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478366423] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:34,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932321734] [2023-11-12 02:21:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:34,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:34,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:34,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:34,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:21:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:34,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:21:34,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:34,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:21:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:34,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932321734] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:21:34,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:21:34,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-12 02:21:34,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909184011] [2023-11-12 02:21:34,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:21:34,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:21:34,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:34,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:21:34,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:21:34,987 INFO L87 Difference]: Start difference. First operand 518 states and 798 transitions. Second operand has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:21:37,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:37,969 INFO L93 Difference]: Finished difference Result 1414 states and 2275 transitions. [2023-11-12 02:21:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:21:37,969 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 124 [2023-11-12 02:21:37,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:37,980 INFO L225 Difference]: With dead ends: 1414 [2023-11-12 02:21:37,980 INFO L226 Difference]: Without dead ends: 1165 [2023-11-12 02:21:37,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:21:37,984 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 2054 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2111 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 3300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 759 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:37,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2111 Valid, 1607 Invalid, 3300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [759 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-12 02:21:37,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2023-11-12 02:21:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 936. [2023-11-12 02:21:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 739 states have (on average 1.6102841677943167) internal successors, (1190), 747 states have internal predecessors, (1190), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2023-11-12 02:21:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1539 transitions. [2023-11-12 02:21:38,109 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1539 transitions. Word has length 124 [2023-11-12 02:21:38,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:38,110 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1539 transitions. [2023-11-12 02:21:38,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:21:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1539 transitions. [2023-11-12 02:21:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-12 02:21:38,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:38,118 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-12 02:21:38,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02850c64-1411-4714-b59d-d3f7d15f6765/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-12 02:21:38,325 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:38,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1303955588, now seen corresponding path program 1 times [2023-11-12 02:21:38,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737680625] [2023-11-12 02:21:38,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:21:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:21:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-12 02:21:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:21:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:21:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:21:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:21:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:21:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:38,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:38,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737680625] [2023-11-12 02:21:38,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737680625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:38,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:38,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:21:38,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793196431] [2023-11-12 02:21:38,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:38,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:38,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:38,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:38,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:38,469 INFO L87 Difference]: Start difference. First operand 936 states and 1539 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:41,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:41,041 INFO L93 Difference]: Finished difference Result 2432 states and 4076 transitions. [2023-11-12 02:21:41,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:41,042 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2023-11-12 02:21:41,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:41,056 INFO L225 Difference]: With dead ends: 2432 [2023-11-12 02:21:41,056 INFO L226 Difference]: Without dead ends: 1564 [2023-11-12 02:21:41,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:21:41,062 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1821 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:41,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 1041 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [698 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-12 02:21:41,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2023-11-12 02:21:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1351. [2023-11-12 02:21:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1075 states have (on average 1.627906976744186) internal successors, (1750), 1083 states have internal predecessors, (1750), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2023-11-12 02:21:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2267 transitions. [2023-11-12 02:21:41,162 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2267 transitions. Word has length 130 [2023-11-12 02:21:41,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:41,162 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 2267 transitions. [2023-11-12 02:21:41,162 INFO L496 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2267 transitions. [2023-11-12 02:21:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-12 02:21:41,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:41,172 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:41,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:21:41,172 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:41,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:41,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1870689843, now seen corresponding path program 1 times [2023-11-12 02:21:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:41,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381406198] [2023-11-12 02:21:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:41,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:21:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:21:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:21:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:21:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:21:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:21:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:21:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:21:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:41,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:41,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381406198] [2023-11-12 02:21:41,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381406198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:41,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:41,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:21:41,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553059777] [2023-11-12 02:21:41,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:41,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:41,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:41,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:41,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:41,304 INFO L87 Difference]: Start difference. First operand 1351 states and 2267 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:43,743 INFO L93 Difference]: Finished difference Result 3446 states and 5854 transitions. [2023-11-12 02:21:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:43,744 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2023-11-12 02:21:43,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:43,765 INFO L225 Difference]: With dead ends: 3446 [2023-11-12 02:21:43,765 INFO L226 Difference]: Without dead ends: 2216 [2023-11-12 02:21:43,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:21:43,772 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 1689 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:43,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 990 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-12 02:21:43,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2023-11-12 02:21:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2003. [2023-11-12 02:21:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1608 states have (on average 1.6399253731343284) internal successors, (2637), 1616 states have internal predecessors, (2637), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2023-11-12 02:21:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3392 transitions. [2023-11-12 02:21:43,908 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3392 transitions. Word has length 131 [2023-11-12 02:21:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:43,909 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 3392 transitions. [2023-11-12 02:21:43,909 INFO L496 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3392 transitions. [2023-11-12 02:21:43,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 02:21:43,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:43,924 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:43,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:21:43,924 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:43,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:43,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1061539902, now seen corresponding path program 1 times [2023-11-12 02:21:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:43,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939406118] [2023-11-12 02:21:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:43,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:21:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-12 02:21:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:21:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:21:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-12 02:21:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:21:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:21:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:21:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:44,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:44,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939406118] [2023-11-12 02:21:44,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939406118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:44,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:44,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:21:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92703533] [2023-11-12 02:21:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:44,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:44,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:44,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:44,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:44,076 INFO L87 Difference]: Start difference. First operand 2003 states and 3392 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:46,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:46,530 INFO L93 Difference]: Finished difference Result 4976 states and 8556 transitions. [2023-11-12 02:21:46,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:46,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2023-11-12 02:21:46,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:46,557 INFO L225 Difference]: With dead ends: 4976 [2023-11-12 02:21:46,558 INFO L226 Difference]: Without dead ends: 3219 [2023-11-12 02:21:46,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:21:46,567 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 1727 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 2403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:46,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 981 Invalid, 2403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-12 02:21:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2023-11-12 02:21:46,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3006. [2023-11-12 02:21:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 2449 states have (on average 1.6492445896284198) internal successors, (4039), 2457 states have internal predecessors, (4039), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2023-11-12 02:21:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 5134 transitions. [2023-11-12 02:21:46,803 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 5134 transitions. Word has length 132 [2023-11-12 02:21:46,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:46,804 INFO L495 AbstractCegarLoop]: Abstraction has 3006 states and 5134 transitions. [2023-11-12 02:21:46,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 5134 transitions. [2023-11-12 02:21:46,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-12 02:21:46,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:46,825 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:46,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:21:46,825 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:46,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:46,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2010719470, now seen corresponding path program 1 times [2023-11-12 02:21:46,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:46,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408710481] [2023-11-12 02:21:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-12 02:21:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:21:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:21:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:21:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:21:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-12 02:21:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-12 02:21:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-12 02:21:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:46,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:46,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408710481] [2023-11-12 02:21:46,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408710481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:46,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:46,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:21:46,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988572866] [2023-11-12 02:21:46,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:46,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:46,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:46,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:46,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:46,975 INFO L87 Difference]: Start difference. First operand 3006 states and 5134 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:49,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:49,350 INFO L93 Difference]: Finished difference Result 7400 states and 12845 transitions. [2023-11-12 02:21:49,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:49,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2023-11-12 02:21:49,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:49,385 INFO L225 Difference]: With dead ends: 7400 [2023-11-12 02:21:49,385 INFO L226 Difference]: Without dead ends: 4844 [2023-11-12 02:21:49,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:21:49,397 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1745 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 2402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:49,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 979 Invalid, 2402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 02:21:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4844 states. [2023-11-12 02:21:49,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4844 to 4631. [2023-11-12 02:21:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4631 states, 3829 states have (on average 1.655784800208932) internal successors, (6340), 3837 states have internal predecessors, (6340), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2023-11-12 02:21:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 7951 transitions. [2023-11-12 02:21:49,687 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 7951 transitions. Word has length 133 [2023-11-12 02:21:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:49,687 INFO L495 AbstractCegarLoop]: Abstraction has 4631 states and 7951 transitions. [2023-11-12 02:21:49,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 7951 transitions. [2023-11-12 02:21:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:21:49,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:49,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:49,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-12 02:21:49,715 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:49,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:49,715 INFO L85 PathProgramCache]: Analyzing trace with hash -439809242, now seen corresponding path program 1 times [2023-11-12 02:21:49,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:49,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521130339] [2023-11-12 02:21:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:21:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-12 02:21:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:21:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:21:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:21:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-12 02:21:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-12 02:21:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-12 02:21:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:49,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:49,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521130339] [2023-11-12 02:21:49,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521130339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:49,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:49,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:21:49,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967331902] [2023-11-12 02:21:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:49,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:49,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:49,855 INFO L87 Difference]: Start difference. First operand 4631 states and 7951 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:52,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:52,368 INFO L93 Difference]: Finished difference Result 11446 states and 20005 transitions. [2023-11-12 02:21:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:52,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2023-11-12 02:21:52,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:52,420 INFO L225 Difference]: With dead ends: 11446 [2023-11-12 02:21:52,420 INFO L226 Difference]: Without dead ends: 7577 [2023-11-12 02:21:52,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:21:52,437 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1792 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:52,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1810 Valid, 1043 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 02:21:52,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7577 states. [2023-11-12 02:21:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7577 to 7364. [2023-11-12 02:21:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7364 states, 6069 states have (on average 1.6551326412918108) internal successors, (10045), 6077 states have internal predecessors, (10045), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2023-11-12 02:21:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7364 states to 7364 states and 12686 transitions. [2023-11-12 02:21:52,849 INFO L78 Accepts]: Start accepts. Automaton has 7364 states and 12686 transitions. Word has length 134 [2023-11-12 02:21:52,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:52,850 INFO L495 AbstractCegarLoop]: Abstraction has 7364 states and 12686 transitions. [2023-11-12 02:21:52,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:21:52,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7364 states and 12686 transitions. [2023-11-12 02:21:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:21:52,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:52,889 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:52,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-12 02:21:52,889 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:52,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:52,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1727156306, now seen corresponding path program 1 times [2023-11-12 02:21:52,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:52,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878250720] [2023-11-12 02:21:52,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:52,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:21:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:21:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:21:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:21:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:21:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:21:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:21:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:21:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-12 02:21:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:21:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-12 02:21:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:21:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-12 02:21:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:21:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 02:21:53,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:53,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878250720] [2023-11-12 02:21:53,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878250720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:53,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:53,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:21:53,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870777342] [2023-11-12 02:21:53,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:53,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:53,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:53,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:53,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:53,063 INFO L87 Difference]: Start difference. First operand 7364 states and 12686 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)