./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_productSimulator.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_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/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_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/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_3575856a-c485-4619-b36d-9fc402780f50/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 c2ee13e5ae0bbed1c37b7eadefb29cbd7041f4c5e0d498dc3d4ea1e000526be8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:05:32,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:05:32,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:05:32,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:05:32,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:05:32,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:05:32,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:05:32,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:05:32,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:05:32,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:05:32,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:05:32,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:05:32,958 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:05:32,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:05:32,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:05:32,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:05:32,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:05:32,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:05:32,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:05:32,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:05:32,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:05:32,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:05:32,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:05:32,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:05:32,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:05:32,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:05:32,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:05:32,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:05:32,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:32,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:05:32,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:05:32,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:05:32,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:05:32,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:05:32,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:05:32,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:05:32,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:05:32,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:05:32,977 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:05:32,978 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_3575856a-c485-4619-b36d-9fc402780f50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ee13e5ae0bbed1c37b7eadefb29cbd7041f4c5e0d498dc3d4ea1e000526be8 [2023-11-12 02:05:33,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:05:33,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:05:33,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:05:33,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:05:33,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:05:33,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2023-11-12 02:05:37,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:05:37,720 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:05:37,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2023-11-12 02:05:37,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/data/fef45b59b/c00edf9aab384289abc3cacb33e39ae8/FLAG2a8d05359 [2023-11-12 02:05:37,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/data/fef45b59b/c00edf9aab384289abc3cacb33e39ae8 [2023-11-12 02:05:37,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:05:37,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:05:37,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:37,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:05:37,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:05:37,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:37" (1/1) ... [2023-11-12 02:05:37,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734fe306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:37, skipping insertion in model container [2023-11-12 02:05:37,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:37" (1/1) ... [2023-11-12 02:05:37,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:05:38,596 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_3575856a-c485-4619-b36d-9fc402780f50/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c[35789,35802] [2023-11-12 02:05:38,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:38,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:05:38,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [48] [2023-11-12 02:05:38,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [89] [2023-11-12 02:05:38,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [366] [2023-11-12 02:05:38,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [583] [2023-11-12 02:05:38,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1155] [2023-11-12 02:05:38,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1552] [2023-11-12 02:05:38,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1915] [2023-11-12 02:05:38,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1924] [2023-11-12 02:05:38,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [2290] [2023-11-12 02:05:38,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3350] [2023-11-12 02:05:38,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3457] [2023-11-12 02:05:38,914 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_3575856a-c485-4619-b36d-9fc402780f50/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c[35789,35802] [2023-11-12 02:05:38,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:39,021 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:05:39,044 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:05:39,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39 WrapperNode [2023-11-12 02:05:39,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:39,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:05:39,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:05:39,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:05:39,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,277 INFO L138 Inliner]: procedures = 151, calls = 283, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1322 [2023-11-12 02:05:39,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:05:39,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:05:39,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:05:39,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:05:39,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:05:39,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:05:39,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:05:39,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:05:39,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (1/1) ... [2023-11-12 02:05:39,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:39,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:05:39,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:05:39,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:05:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-11-12 02:05:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-11-12 02:05:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-11-12 02:05:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-11-12 02:05:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-11-12 02:05:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-11-12 02:05:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-12 02:05:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-12 02:05:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-12 02:05:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-12 02:05:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-12 02:05:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-12 02:05:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-12 02:05:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-12 02:05:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-11-12 02:05:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-11-12 02:05:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-12 02:05:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-12 02:05:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-11-12 02:05:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-11-12 02:05:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-12 02:05:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-12 02:05:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-12 02:05:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-12 02:05:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-12 02:05:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-12 02:05:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-11-12 02:05:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-11-12 02:05:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-11-12 02:05:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-11-12 02:05:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-12 02:05:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-12 02:05:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-12 02:05:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-12 02:05:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-12 02:05:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-12 02:05:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-12 02:05:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-11-12 02:05:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-11-12 02:05:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-12 02:05:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-12 02:05:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-11-12 02:05:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-11-12 02:05:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-12 02:05:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-12 02:05:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-11-12 02:05:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-11-12 02:05:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:05:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-12 02:05:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-12 02:05:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-11-12 02:05:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-11-12 02:05:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-11-12 02:05:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-11-12 02:05:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-11-12 02:05:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-11-12 02:05:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-11-12 02:05:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-11-12 02:05:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-12 02:05:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-12 02:05:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-12 02:05:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-12 02:05:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-12 02:05:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-12 02:05:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-12 02:05:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-12 02:05:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-12 02:05:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-12 02:05:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-12 02:05:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-12 02:05:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-12 02:05:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-12 02:05:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-11-12 02:05:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-11-12 02:05:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-11-12 02:05:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-11-12 02:05:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-12 02:05:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-12 02:05:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-12 02:05:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-12 02:05:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:05:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-12 02:05:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-12 02:05:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-11-12 02:05:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-11-12 02:05:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-11-12 02:05:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-11-12 02:05:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-12 02:05:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-12 02:05:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:05:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:05:39,936 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:05:39,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:05:41,419 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:05:41,446 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:05:41,446 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:05:41,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:05:41 BoogieIcfgContainer [2023-11-12 02:05:41,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:05:41,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:05:41,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:05:41,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:05:41,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:05:37" (1/3) ... [2023-11-12 02:05:41,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bec95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:05:41, skipping insertion in model container [2023-11-12 02:05:41,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:39" (2/3) ... [2023-11-12 02:05:41,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bec95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:05:41, skipping insertion in model container [2023-11-12 02:05:41,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:05:41" (3/3) ... [2023-11-12 02:05:41,469 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2023-11-12 02:05:41,495 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:05:41,496 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:05:41,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:05:41,611 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;@67340b40, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:05:41,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:05:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 603 states, 448 states have (on average 1.515625) internal successors, (679), 468 states have internal predecessors, (679), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-12 02:05:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:05:41,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:41,659 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:05:41,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:41,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:41,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1563756112, now seen corresponding path program 1 times [2023-11-12 02:05:41,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:05:41,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994669003] [2023-11-12 02:05:41,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:41,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:05:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:05:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:05:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:05:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:05:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:05:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:05:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:05:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:05:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:05:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:05:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:05:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-12 02:05:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:05:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:05:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-12 02:05:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:05:42,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:05:42,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994669003] [2023-11-12 02:05:42,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994669003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:05:42,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:05:42,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:05:42,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347082953] [2023-11-12 02:05:42,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:05:42,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:05:42,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:05:42,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:05:42,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:05:42,791 INFO L87 Difference]: Start difference. First operand has 603 states, 448 states have (on average 1.515625) internal successors, (679), 468 states have internal predecessors, (679), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:05:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:05:45,999 INFO L93 Difference]: Finished difference Result 1078 states and 1627 transitions. [2023-11-12 02:05:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:05:46,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2023-11-12 02:05:46,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:05:46,047 INFO L225 Difference]: With dead ends: 1078 [2023-11-12 02:05:46,053 INFO L226 Difference]: Without dead ends: 737 [2023-11-12 02:05:46,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:05:46,068 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1349 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:05:46,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1354 Valid, 1037 Invalid, 1678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [572 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-12 02:05:46,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-12 02:05:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 596. [2023-11-12 02:05:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 442 states have (on average 1.51131221719457) internal successors, (668), 461 states have internal predecessors, (668), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-11-12 02:05:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 887 transitions. [2023-11-12 02:05:46,289 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 887 transitions. Word has length 127 [2023-11-12 02:05:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:05:46,291 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 887 transitions. [2023-11-12 02:05:46,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:05:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 887 transitions. [2023-11-12 02:05:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:05:46,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:46,300 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:05:46,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:05:46,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:46,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:46,303 INFO L85 PathProgramCache]: Analyzing trace with hash 445600766, now seen corresponding path program 1 times [2023-11-12 02:05:46,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:05:46,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160753531] [2023-11-12 02:05:46,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:05:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:05:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:05:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:05:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:05:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:05:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:05:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:05:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:05:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:05:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:05:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:05:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-12 02:05:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:05:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:05:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-12 02:05:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:05:46,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:05:46,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160753531] [2023-11-12 02:05:46,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160753531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:05:46,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:05:46,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:05:46,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108666280] [2023-11-12 02:05:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:05:46,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:05:46,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:05:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:05:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:05:46,971 INFO L87 Difference]: Start difference. First operand 596 states and 887 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:05:51,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:05:51,261 INFO L93 Difference]: Finished difference Result 1297 states and 1957 transitions. [2023-11-12 02:05:51,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:05:51,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2023-11-12 02:05:51,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:05:51,274 INFO L225 Difference]: With dead ends: 1297 [2023-11-12 02:05:51,274 INFO L226 Difference]: Without dead ends: 737 [2023-11-12 02:05:51,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:05:51,279 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1346 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 3538 mSolverCounterSat, 569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 4107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 569 IncrementalHoareTripleChecker+Valid, 3538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:05:51,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1352 Valid, 1783 Invalid, 4107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [569 Valid, 3538 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-12 02:05:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-12 02:05:51,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 596. [2023-11-12 02:05:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 442 states have (on average 1.495475113122172) internal successors, (661), 461 states have internal predecessors, (661), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-11-12 02:05:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 880 transitions. [2023-11-12 02:05:51,383 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 880 transitions. Word has length 128 [2023-11-12 02:05:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:05:51,384 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 880 transitions. [2023-11-12 02:05:51,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:05:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 880 transitions. [2023-11-12 02:05:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-12 02:05:51,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:51,389 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:05:51,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:05:51,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:51,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:51,391 INFO L85 PathProgramCache]: Analyzing trace with hash -189778846, now seen corresponding path program 1 times [2023-11-12 02:05:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:05:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042824056] [2023-11-12 02:05:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:05:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:05:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:05:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:05:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:05:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:05:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:05:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:05:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:05:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-12 02:05:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:05:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:05:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:05:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:05:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-12 02:05:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-12 02:05:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:05:51,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:05:51,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042824056] [2023-11-12 02:05:51,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042824056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:05:51,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:05:51,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:05:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687051573] [2023-11-12 02:05:51,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:05:51,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:05:51,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:05:51,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:05:51,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:05:51,887 INFO L87 Difference]: Start difference. First operand 596 states and 880 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 02:05:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:05:54,718 INFO L93 Difference]: Finished difference Result 1307 states and 1989 transitions. [2023-11-12 02:05:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:05:54,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 133 [2023-11-12 02:05:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:05:54,727 INFO L225 Difference]: With dead ends: 1307 [2023-11-12 02:05:54,727 INFO L226 Difference]: Without dead ends: 736 [2023-11-12 02:05:54,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:05:54,733 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 2042 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 749 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:05:54,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 961 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [749 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-12 02:05:54,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2023-11-12 02:05:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 595. [2023-11-12 02:05:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 443 states have (on average 1.4830699774266365) internal successors, (657), 460 states have internal predecessors, (657), 107 states have call successors, (107), 44 states have call predecessors, (107), 44 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-12 02:05:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 870 transitions. [2023-11-12 02:05:54,835 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 870 transitions. Word has length 133 [2023-11-12 02:05:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:05:54,836 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 870 transitions. [2023-11-12 02:05:54,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 02:05:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 870 transitions. [2023-11-12 02:05:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-12 02:05:54,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:54,844 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 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 02:05:54,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:05:54,845 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:54,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:54,846 INFO L85 PathProgramCache]: Analyzing trace with hash -630937457, now seen corresponding path program 1 times [2023-11-12 02:05:54,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:05:54,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336198367] [2023-11-12 02:05:54,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:54,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:05:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:05:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:05:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:05:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:05:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:05:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:05:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:05:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:05:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:05:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:05:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:05:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:05:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-12 02:05:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:05:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:05:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:05:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-12 02:05:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:05:55,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:05:55,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336198367] [2023-11-12 02:05:55,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336198367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:05:55,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:05:55,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:05:55,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533283475] [2023-11-12 02:05:55,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:05:55,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:05:55,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:05:55,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:05:55,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:05:55,146 INFO L87 Difference]: Start difference. First operand 595 states and 870 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:05:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:05:58,001 INFO L93 Difference]: Finished difference Result 1299 states and 1949 transitions. [2023-11-12 02:05:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:05:58,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2023-11-12 02:05:58,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:05:58,012 INFO L225 Difference]: With dead ends: 1299 [2023-11-12 02:05:58,013 INFO L226 Difference]: Without dead ends: 734 [2023-11-12 02:05:58,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:05:58,030 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 2030 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:05:58,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 980 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-12 02:05:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-11-12 02:05:58,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 594. [2023-11-12 02:05:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 443 states have (on average 1.4785553047404063) internal successors, (655), 459 states have internal predecessors, (655), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-12 02:05:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 866 transitions. [2023-11-12 02:05:58,156 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 866 transitions. Word has length 149 [2023-11-12 02:05:58,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:05:58,159 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 866 transitions. [2023-11-12 02:05:58,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:05:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 866 transitions. [2023-11-12 02:05:58,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 02:05:58,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:58,167 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:58,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:05:58,168 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:58,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:58,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2127050370, now seen corresponding path program 1 times [2023-11-12 02:05:58,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:05:58,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668182055] [2023-11-12 02:05:58,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:58,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:05:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:05:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:05:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:05:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:05:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:05:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:05:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:05:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:05:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:05:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:05:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:05:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:05:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:05:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:05:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:05:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:05:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:05:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-12 02:05:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:05:58,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:05:58,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668182055] [2023-11-12 02:05:58,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668182055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:05:58,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:05:58,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:05:58,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934543525] [2023-11-12 02:05:58,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:05:58,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:05:58,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:05:58,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:05:58,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:05:58,437 INFO L87 Difference]: Start difference. First operand 594 states and 866 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:06:01,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:01,115 INFO L93 Difference]: Finished difference Result 1279 states and 1896 transitions. [2023-11-12 02:06:01,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:06:01,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2023-11-12 02:06:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:01,126 INFO L225 Difference]: With dead ends: 1279 [2023-11-12 02:06:01,126 INFO L226 Difference]: Without dead ends: 731 [2023-11-12 02:06:01,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:06:01,137 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 2008 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:01,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 886 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [723 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-12 02:06:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2023-11-12 02:06:01,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 591. [2023-11-12 02:06:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 443 states have (on average 1.4537246049661399) internal successors, (644), 454 states have internal predecessors, (644), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-12 02:06:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 849 transitions. [2023-11-12 02:06:01,225 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 849 transitions. Word has length 150 [2023-11-12 02:06:01,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:01,227 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 849 transitions. [2023-11-12 02:06:01,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:06:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 849 transitions. [2023-11-12 02:06:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 02:06:01,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:01,234 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:01,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:06:01,234 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:01,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:01,235 INFO L85 PathProgramCache]: Analyzing trace with hash 303656704, now seen corresponding path program 1 times [2023-11-12 02:06:01,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:01,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162596775] [2023-11-12 02:06:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:06:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:06:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:06:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:06:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:06:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:06:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:06:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:06:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:06:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:06:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:06:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-12 02:06:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-12 02:06:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-12 02:06:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-12 02:06:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-12 02:06:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:06:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-12 02:06:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-12 02:06:01,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162596775] [2023-11-12 02:06:01,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162596775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:01,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020436525] [2023-11-12 02:06:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:01,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:01,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:01,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:06:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:02,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:02,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-12 02:06:02,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:02,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020436525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:02,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:06:02,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-11-12 02:06:02,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856433003] [2023-11-12 02:06:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:02,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:02,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:02,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:06:02,528 INFO L87 Difference]: Start difference. First operand 591 states and 849 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 02:06:02,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:02,613 INFO L93 Difference]: Finished difference Result 917 states and 1299 transitions. [2023-11-12 02:06:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:02,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2023-11-12 02:06:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:02,620 INFO L225 Difference]: With dead ends: 917 [2023-11-12 02:06:02,620 INFO L226 Difference]: Without dead ends: 594 [2023-11-12 02:06:02,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:06:02,624 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 1 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1688 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 02:06:02,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1688 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:02,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2023-11-12 02:06:02,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 593. [2023-11-12 02:06:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 445 states have (on average 1.451685393258427) internal successors, (646), 456 states have internal predecessors, (646), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-12 02:06:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 851 transitions. [2023-11-12 02:06:02,699 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 851 transitions. Word has length 175 [2023-11-12 02:06:02,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:02,701 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 851 transitions. [2023-11-12 02:06:02,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 02:06:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 851 transitions. [2023-11-12 02:06:02,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-12 02:06:02,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:02,707 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:02,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:02,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:02,933 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:02,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:02,933 INFO L85 PathProgramCache]: Analyzing trace with hash 93123840, now seen corresponding path program 1 times [2023-11-12 02:06:02,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:02,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082171960] [2023-11-12 02:06:02,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:06:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:06:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:06:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:06:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:06:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:06:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:06:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:06:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:06:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:06:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:06:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:06:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:06:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-12 02:06:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:06:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-12 02:06:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-12 02:06:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:06:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-12 02:06:03,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:03,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082171960] [2023-11-12 02:06:03,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082171960] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:03,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043002990] [2023-11-12 02:06:03,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:03,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:03,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:03,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:03,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:06:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:04,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:04,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-12 02:06:04,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:04,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043002990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:04,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:06:04,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-11-12 02:06:04,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820109880] [2023-11-12 02:06:04,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:04,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:04,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:04,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:04,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:06:04,138 INFO L87 Difference]: Start difference. First operand 593 states and 851 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 02:06:04,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:04,235 INFO L93 Difference]: Finished difference Result 1206 states and 1763 transitions. [2023-11-12 02:06:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:04,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2023-11-12 02:06:04,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:04,243 INFO L225 Difference]: With dead ends: 1206 [2023-11-12 02:06:04,243 INFO L226 Difference]: Without dead ends: 691 [2023-11-12 02:06:04,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:06:04,248 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 165 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1671 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 02:06:04,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1671 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2023-11-12 02:06:04,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 683. [2023-11-12 02:06:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 521 states have (on average 1.4664107485604607) internal successors, (764), 532 states have internal predecessors, (764), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-12 02:06:04,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 997 transitions. [2023-11-12 02:06:04,395 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 997 transitions. Word has length 183 [2023-11-12 02:06:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:04,396 INFO L495 AbstractCegarLoop]: Abstraction has 683 states and 997 transitions. [2023-11-12 02:06:04,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 02:06:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 997 transitions. [2023-11-12 02:06:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-12 02:06:04,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:04,403 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:04,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:04,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-12 02:06:04,613 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:04,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:04,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2019074569, now seen corresponding path program 1 times [2023-11-12 02:06:04,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:04,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144941629] [2023-11-12 02:06:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:04,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:06:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:06:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:06:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:06:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:06:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:06:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:06:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:06:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:06:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-12 02:06:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:06:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:06:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:06:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-12 02:06:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:06:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-12 02:06:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-12 02:06:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-12 02:06:05,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144941629] [2023-11-12 02:06:05,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144941629] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921607871] [2023-11-12 02:06:05,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:05,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:05,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:05,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:05,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:06:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:06:05,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-12 02:06:05,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:05,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921607871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:05,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:06:05,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-11-12 02:06:05,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702780685] [2023-11-12 02:06:05,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:05,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:06:05,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:06:05,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-11-12 02:06:05,979 INFO L87 Difference]: Start difference. First operand 683 states and 997 transitions. Second operand has 8 states, 6 states have (on average 17.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-12 02:06:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:06,296 INFO L93 Difference]: Finished difference Result 1313 states and 1931 transitions. [2023-11-12 02:06:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:06:06,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 177 [2023-11-12 02:06:06,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:06,303 INFO L225 Difference]: With dead ends: 1313 [2023-11-12 02:06:06,303 INFO L226 Difference]: Without dead ends: 685 [2023-11-12 02:06:06,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:06:06,308 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 12 mSDsluCounter, 4996 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5832 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:06,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5832 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2023-11-12 02:06:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 685. [2023-11-12 02:06:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 534 states have internal predecessors, (765), 117 states have call successors, (117), 44 states have call predecessors, (117), 45 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2023-11-12 02:06:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1000 transitions. [2023-11-12 02:06:06,386 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1000 transitions. Word has length 177 [2023-11-12 02:06:06,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:06,386 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 1000 transitions. [2023-11-12 02:06:06,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-12 02:06:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1000 transitions. [2023-11-12 02:06:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-12 02:06:06,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:06,393 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:06,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:06,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 02:06:06,614 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:06,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:06,615 INFO L85 PathProgramCache]: Analyzing trace with hash -724997310, now seen corresponding path program 1 times [2023-11-12 02:06:06,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:06,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844205832] [2023-11-12 02:06:06,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:06,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:06:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:06:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:06:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:06:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:06:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:06:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:06:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:06:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:06:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:06:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:06:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:06:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-12 02:06:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-12 02:06:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-12 02:06:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-12 02:06:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:06:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-12 02:06:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-12 02:06:07,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:07,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844205832] [2023-11-12 02:06:07,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844205832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:07,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810586139] [2023-11-12 02:06:07,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:07,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:07,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:07,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:07,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:06:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:07,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:07,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-12 02:06:07,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:07,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810586139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:07,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:06:07,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-11-12 02:06:07,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726933039] [2023-11-12 02:06:07,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:07,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:07,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:07,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:06:07,799 INFO L87 Difference]: Start difference. First operand 685 states and 1000 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-12 02:06:07,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:07,984 INFO L93 Difference]: Finished difference Result 1314 states and 1935 transitions. [2023-11-12 02:06:07,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:06:07,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 185 [2023-11-12 02:06:07,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:07,991 INFO L225 Difference]: With dead ends: 1314 [2023-11-12 02:06:07,992 INFO L226 Difference]: Without dead ends: 687 [2023-11-12 02:06:07,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2023-11-12 02:06:07,998 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 10 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4156 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:07,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4156 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:08,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-11-12 02:06:08,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2023-11-12 02:06:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 536 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2023-11-12 02:06:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1006 transitions. [2023-11-12 02:06:08,134 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1006 transitions. Word has length 185 [2023-11-12 02:06:08,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:08,135 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1006 transitions. [2023-11-12 02:06:08,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-12 02:06:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1006 transitions. [2023-11-12 02:06:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-12 02:06:08,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:08,141 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:08,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:08,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3575856a-c485-4619-b36d-9fc402780f50/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-12 02:06:08,351 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:08,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:08,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1341623100, now seen corresponding path program 1 times [2023-11-12 02:06:08,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:08,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679135697] [2023-11-12 02:06:08,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:08,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:06:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:06:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:06:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:06:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:06:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:06:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:06:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:06:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:06:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:06:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-12 02:06:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-12 02:06:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-12 02:06:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:06:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-12 02:06:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-12 02:06:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-12 02:06:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-12 02:06:08,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:08,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679135697] [2023-11-12 02:06:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679135697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:08,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:08,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-12 02:06:08,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869705147] [2023-11-12 02:06:08,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:08,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:06:08,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:08,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:06:08,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:06:08,840 INFO L87 Difference]: Start difference. First operand 687 states and 1006 transitions. Second operand has 12 states, 10 states have (on average 10.3) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-12 02:06:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:14,284 INFO L93 Difference]: Finished difference Result 1446 states and 2162 transitions. [2023-11-12 02:06:14,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:06:14,285 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.3) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 179 [2023-11-12 02:06:14,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:14,294 INFO L225 Difference]: With dead ends: 1446 [2023-11-12 02:06:14,294 INFO L226 Difference]: Without dead ends: 831 [2023-11-12 02:06:14,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2023-11-12 02:06:14,299 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1831 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 5665 mSolverCounterSat, 742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 6407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 5665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:14,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 2573 Invalid, 6407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [742 Valid, 5665 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-12 02:06:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2023-11-12 02:06:14,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 687. [2023-11-12 02:06:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 536 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (122), 115 states have call predecessors, (122), 116 states have call successors, (122) [2023-11-12 02:06:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1005 transitions. [2023-11-12 02:06:14,417 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1005 transitions. Word has length 179 [2023-11-12 02:06:14,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:14,418 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1005 transitions. [2023-11-12 02:06:14,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.3) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-12 02:06:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1005 transitions. [2023-11-12 02:06:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-12 02:06:14,423 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:14,424 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:14,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:06:14,425 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:14,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:14,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1288239307, now seen corresponding path program 1 times [2023-11-12 02:06:14,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:14,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931102746] [2023-11-12 02:06:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:06:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:06:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:06:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:06:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-12 02:06:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:06:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:06:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:06:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:06:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:06:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:06:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:06:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:06:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-12 02:06:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-12 02:06:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-12 02:06:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-12 02:06:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:06:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-12 02:06:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-12 02:06:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-12 02:06:14,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:14,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931102746] [2023-11-12 02:06:14,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931102746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:14,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:14,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-12 02:06:14,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608404147] [2023-11-12 02:06:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:14,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:06:14,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:14,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:06:14,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:06:14,953 INFO L87 Difference]: Start difference. First operand 687 states and 1005 transitions. Second operand has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)