./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu --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 5f7b52dfa978a30892cebb35c28a84cc12db47d20591a31b18d58060a0678455 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:28,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:28,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:39:28,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:28,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:28,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:28,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:28,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:28,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:28,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:28,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:28,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:28,814 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:28,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:28,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:28,817 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:28,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:28,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:28,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:28,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:28,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:28,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:28,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:28,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:28,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:28,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:28,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:28,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:28,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:28,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:28,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:28,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:28,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:28,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:28,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:28,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:28,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:28,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:28,834 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:28,835 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_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f7b52dfa978a30892cebb35c28a84cc12db47d20591a31b18d58060a0678455 [2023-11-19 07:39:29,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:29,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:29,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:29,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:29,164 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:29,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c [2023-11-19 07:39:32,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:33,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:33,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c [2023-11-19 07:39:33,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/data/dedd28593/c34c9250d41b472f8b36cbd1bf8133f2/FLAGe9485c46e [2023-11-19 07:39:33,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/data/dedd28593/c34c9250d41b472f8b36cbd1bf8133f2 [2023-11-19 07:39:33,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:33,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:33,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:33,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:33,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:33,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:33" (1/1) ... [2023-11-19 07:39:33,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e940d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33, skipping insertion in model container [2023-11-19 07:39:33,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:33" (1/1) ... [2023-11-19 07:39:33,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:34,380 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_b5dcb9dd-5f19-4f07-85df-dda70c99723c/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c[10988,11001] [2023-11-19 07:39:34,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:34,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:34,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-11-19 07:39:34,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [380] [2023-11-19 07:39:34,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [528] [2023-11-19 07:39:34,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [547] [2023-11-19 07:39:34,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [556] [2023-11-19 07:39:34,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [922] [2023-11-19 07:39:34,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1324] [2023-11-19 07:39:34,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1359] [2023-11-19 07:39:34,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2428] [2023-11-19 07:39:34,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2445] [2023-11-19 07:39:34,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2842] [2023-11-19 07:39:34,840 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_b5dcb9dd-5f19-4f07-85df-dda70c99723c/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c[10988,11001] [2023-11-19 07:39:34,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:35,030 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:35,041 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:35,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35 WrapperNode [2023-11-19 07:39:35,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:35,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:35,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:35,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:35,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,315 INFO L138 Inliner]: procedures = 134, calls = 234, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1093 [2023-11-19 07:39:35,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:35,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:35,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:35,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:35,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:35,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:35,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:35,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:35,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (1/1) ... [2023-11-19 07:39:35,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:35,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:35,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:35,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-11-19 07:39:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-11-19 07:39:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-19 07:39:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-19 07:39:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-19 07:39:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-19 07:39:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-19 07:39:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-19 07:39:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-19 07:39:35,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-19 07:39:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-19 07:39:35,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-19 07:39:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-19 07:39:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-19 07:39:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-19 07:39:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-19 07:39:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-19 07:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-19 07:39:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-19 07:39:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-19 07:39:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-19 07:39:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-19 07:39:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-19 07:39:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-19 07:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-19 07:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-19 07:39:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-19 07:39:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-19 07:39:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-19 07:39:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-19 07:39:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-19 07:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-11-19 07:39:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-11-19 07:39:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-19 07:39:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-19 07:39:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-19 07:39:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-19 07:39:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-19 07:39:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-19 07:39:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-19 07:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-19 07:39:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-11-19 07:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-11-19 07:39:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-19 07:39:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-19 07:39:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-19 07:39:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-19 07:39:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-19 07:39:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-19 07:39:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-19 07:39:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-19 07:39:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-19 07:39:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-19 07:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-19 07:39:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-19 07:39:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-19 07:39:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-19 07:39:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:35,962 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:35,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:37,409 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:37,445 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:37,447 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:37,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:37 BoogieIcfgContainer [2023-11-19 07:39:37,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:37,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:37,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:37,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:37,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:33" (1/3) ... [2023-11-19 07:39:37,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755307d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:37, skipping insertion in model container [2023-11-19 07:39:37,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35" (2/3) ... [2023-11-19 07:39:37,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755307d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:37, skipping insertion in model container [2023-11-19 07:39:37,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:37" (3/3) ... [2023-11-19 07:39:37,485 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product34.cil.c [2023-11-19 07:39:37,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:37,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:37,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:37,624 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;@2a2b16dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:37,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 344 states have (on average 1.5377906976744187) internal successors, (529), 349 states have internal predecessors, (529), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-19 07:39:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 07:39:37,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:37,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:37,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:37,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1238168598, now seen corresponding path program 1 times [2023-11-19 07:39:37,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:37,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102296930] [2023-11-19 07:39:37,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:37,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:39:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:39:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:39:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:39:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:39:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:39:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:39:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:39:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:39:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:39:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-19 07:39:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 07:39:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:39:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 07:39:38,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102296930] [2023-11-19 07:39:38,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102296930] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:38,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565821192] [2023-11-19 07:39:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:38,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:38,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:38,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:39:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:39,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:39:39,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:39:39,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565821192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:39,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:39:39,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-11-19 07:39:39,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809133707] [2023-11-19 07:39:39,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:39,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:39:39,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:39,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:39:39,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:39,505 INFO L87 Difference]: Start difference. First operand has 444 states, 344 states have (on average 1.5377906976744187) internal successors, (529), 349 states have internal predecessors, (529), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:39:39,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:39,632 INFO L93 Difference]: Finished difference Result 695 states and 1028 transitions. [2023-11-19 07:39:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:39:39,640 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2023-11-19 07:39:39,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:39,667 INFO L225 Difference]: With dead ends: 695 [2023-11-19 07:39:39,669 INFO L226 Difference]: Without dead ends: 437 [2023-11-19 07:39:39,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:39,683 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:39,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-11-19 07:39:39,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2023-11-19 07:39:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 338 states have (on average 1.532544378698225) internal successors, (518), 342 states have internal predecessors, (518), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 07:39:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 657 transitions. [2023-11-19 07:39:39,810 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 657 transitions. Word has length 129 [2023-11-19 07:39:39,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:39,812 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 657 transitions. [2023-11-19 07:39:39,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:39:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 657 transitions. [2023-11-19 07:39:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 07:39:39,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:39,820 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:39,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:39:40,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:39:40,022 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:40,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:40,023 INFO L85 PathProgramCache]: Analyzing trace with hash -695022274, now seen corresponding path program 1 times [2023-11-19 07:39:40,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:40,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111062182] [2023-11-19 07:39:40,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:39:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:39:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:39:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:39:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 07:39:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:39:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-19 07:39:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-19 07:39:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-19 07:39:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-19 07:39:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:39:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 07:39:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:39:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 07:39:40,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:40,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111062182] [2023-11-19 07:39:40,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111062182] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:40,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808941151] [2023-11-19 07:39:40,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:40,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:40,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:40,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:39:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:41,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:39:41,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:39:41,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:41,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808941151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:41,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:39:41,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-19 07:39:41,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98878091] [2023-11-19 07:39:41,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:41,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:41,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:41,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:39:41,243 INFO L87 Difference]: Start difference. First operand 437 states and 657 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:39:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:41,328 INFO L93 Difference]: Finished difference Result 685 states and 1006 transitions. [2023-11-19 07:39:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2023-11-19 07:39:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:41,336 INFO L225 Difference]: With dead ends: 685 [2023-11-19 07:39:41,343 INFO L226 Difference]: Without dead ends: 440 [2023-11-19 07:39:41,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:39:41,348 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 1 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1308 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 [2023-11-19 07:39:41,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1308 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:41,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-11-19 07:39:41,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2023-11-19 07:39:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 340 states have (on average 1.5294117647058822) internal successors, (520), 344 states have internal predecessors, (520), 70 states have call successors, (70), 28 states have call predecessors, (70), 28 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 07:39:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 659 transitions. [2023-11-19 07:39:41,412 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 659 transitions. Word has length 130 [2023-11-19 07:39:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:41,413 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 659 transitions. [2023-11-19 07:39:41,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:39:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 659 transitions. [2023-11-19 07:39:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 07:39:41,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:41,419 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:41,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:41,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:41,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:41,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1447371358, now seen corresponding path program 1 times [2023-11-19 07:39:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154243232] [2023-11-19 07:39:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:39:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:39:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:39:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:39:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:39:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:39:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:39:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:39:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:39:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 07:39:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:39:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:39:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:39:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:39:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-19 07:39:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 07:39:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 07:39:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154243232] [2023-11-19 07:39:42,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154243232] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524275823] [2023-11-19 07:39:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:42,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:42,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:42,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:39:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:42,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:39:42,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:39:42,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524275823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:42,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:39:42,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-19 07:39:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037290754] [2023-11-19 07:39:42,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:42,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:42,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:42,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:42,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:39:42,620 INFO L87 Difference]: Start difference. First operand 439 states and 659 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:39:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:42,697 INFO L93 Difference]: Finished difference Result 926 states and 1410 transitions. [2023-11-19 07:39:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:42,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 155 [2023-11-19 07:39:42,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:42,704 INFO L225 Difference]: With dead ends: 926 [2023-11-19 07:39:42,704 INFO L226 Difference]: Without dead ends: 514 [2023-11-19 07:39:42,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:39:42,708 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 134 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1279 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 [2023-11-19 07:39:42,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1279 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:42,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-11-19 07:39:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 506. [2023-11-19 07:39:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 393 states have (on average 1.549618320610687) internal successors, (609), 397 states have internal predecessors, (609), 84 states have call successors, (84), 28 states have call predecessors, (84), 28 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-19 07:39:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 776 transitions. [2023-11-19 07:39:42,749 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 776 transitions. Word has length 155 [2023-11-19 07:39:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:42,750 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 776 transitions. [2023-11-19 07:39:42,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:39:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 776 transitions. [2023-11-19 07:39:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-19 07:39:42,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:42,755 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:42,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:42,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:42,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:42,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:42,976 INFO L85 PathProgramCache]: Analyzing trace with hash 729007729, now seen corresponding path program 1 times [2023-11-19 07:39:42,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:42,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449734683] [2023-11-19 07:39:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:42,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:39:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:39:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:39:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-19 07:39:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:39:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:39:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 07:39:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 07:39:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:39:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-19 07:39:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:39:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:39:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:39:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 07:39:43,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:43,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449734683] [2023-11-19 07:39:43,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449734683] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:43,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648057965] [2023-11-19 07:39:43,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:43,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:43,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:43,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:39:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:43,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:39:43,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:39:43,852 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:43,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648057965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:43,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:39:43,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-19 07:39:43,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416823270] [2023-11-19 07:39:43,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:43,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:39:43,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:43,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:39:43,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:39:43,855 INFO L87 Difference]: Start difference. First operand 506 states and 776 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 07:39:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:43,955 INFO L93 Difference]: Finished difference Result 1003 states and 1542 transitions. [2023-11-19 07:39:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:39:43,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 137 [2023-11-19 07:39:43,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:43,962 INFO L225 Difference]: With dead ends: 1003 [2023-11-19 07:39:43,962 INFO L226 Difference]: Without dead ends: 508 [2023-11-19 07:39:43,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:39:43,966 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 8 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:43,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2581 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:43,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-19 07:39:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2023-11-19 07:39:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 394 states have (on average 1.5482233502538072) internal successors, (610), 399 states have internal predecessors, (610), 84 states have call successors, (84), 28 states have call predecessors, (84), 29 states have return successors, (85), 82 states have call predecessors, (85), 83 states have call successors, (85) [2023-11-19 07:39:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 779 transitions. [2023-11-19 07:39:44,017 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 779 transitions. Word has length 137 [2023-11-19 07:39:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:44,018 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 779 transitions. [2023-11-19 07:39:44,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 07:39:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 779 transitions. [2023-11-19 07:39:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 07:39:44,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:44,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:44,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:44,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:44,240 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:44,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:44,240 INFO L85 PathProgramCache]: Analyzing trace with hash -461811190, now seen corresponding path program 1 times [2023-11-19 07:39:44,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:44,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612969746] [2023-11-19 07:39:44,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:39:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:39:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:39:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:39:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-19 07:39:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:39:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 07:39:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:39:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:39:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:39:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-19 07:39:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:39:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 07:39:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:39:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:39:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:39:44,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612969746] [2023-11-19 07:39:44,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612969746] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914545641] [2023-11-19 07:39:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:44,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:44,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:44,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:44,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:39:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:39:45,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 07:39:45,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:45,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914545641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:45,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:39:45,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-19 07:39:45,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330388950] [2023-11-19 07:39:45,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:45,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:39:45,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:45,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:39:45,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:39:45,144 INFO L87 Difference]: Start difference. First operand 508 states and 779 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:39:45,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:45,257 INFO L93 Difference]: Finished difference Result 1005 states and 1547 transitions. [2023-11-19 07:39:45,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:39:45,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 157 [2023-11-19 07:39:45,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:45,263 INFO L225 Difference]: With dead ends: 1005 [2023-11-19 07:39:45,264 INFO L226 Difference]: Without dead ends: 510 [2023-11-19 07:39:45,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:39:45,267 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 8 mSDsluCounter, 1921 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:45,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2567 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:45,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-19 07:39:45,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2023-11-19 07:39:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 401 states have internal predecessors, (611), 84 states have call successors, (84), 28 states have call predecessors, (84), 30 states have return successors, (90), 82 states have call predecessors, (90), 83 states have call successors, (90) [2023-11-19 07:39:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 785 transitions. [2023-11-19 07:39:45,302 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 785 transitions. Word has length 157 [2023-11-19 07:39:45,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:45,302 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 785 transitions. [2023-11-19 07:39:45,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:39:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 785 transitions. [2023-11-19 07:39:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 07:39:45,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:45,308 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:45,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:45,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:45,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:45,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:45,536 INFO L85 PathProgramCache]: Analyzing trace with hash -916408225, now seen corresponding path program 1 times [2023-11-19 07:39:45,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:45,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997394645] [2023-11-19 07:39:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:39:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:39:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:39:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:39:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-19 07:39:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:39:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:39:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:39:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 07:39:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:39:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:39:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:39:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 07:39:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:39:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 07:39:45,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:45,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997394645] [2023-11-19 07:39:45,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997394645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:45,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:45,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:39:45,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614101167] [2023-11-19 07:39:45,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:45,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:39:45,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:39:45,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:45,971 INFO L87 Difference]: Start difference. First operand 510 states and 785 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:39:49,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:49,793 INFO L93 Difference]: Finished difference Result 1198 states and 1860 transitions. [2023-11-19 07:39:49,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:39:49,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 158 [2023-11-19 07:39:49,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:49,804 INFO L225 Difference]: With dead ends: 1198 [2023-11-19 07:39:49,804 INFO L226 Difference]: Without dead ends: 711 [2023-11-19 07:39:49,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:39:49,808 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1537 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3198 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 3722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 3198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:49,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 1334 Invalid, 3722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [524 Valid, 3198 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 07:39:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2023-11-19 07:39:49,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 510. [2023-11-19 07:39:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 401 states have internal predecessors, (611), 84 states have call successors, (84), 28 states have call predecessors, (84), 30 states have return successors, (89), 82 states have call predecessors, (89), 83 states have call successors, (89) [2023-11-19 07:39:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 784 transitions. [2023-11-19 07:39:49,884 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 784 transitions. Word has length 158 [2023-11-19 07:39:49,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:49,885 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 784 transitions. [2023-11-19 07:39:49,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:39:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 784 transitions. [2023-11-19 07:39:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-19 07:39:49,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:49,890 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:49,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:39:49,890 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:49,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:49,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1855613678, now seen corresponding path program 1 times [2023-11-19 07:39:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754524006] [2023-11-19 07:39:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:49,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:39:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:39:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-19 07:39:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 07:39:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:39:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:39:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:39:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:39:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-19 07:39:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-19 07:39:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 07:39:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 07:39:50,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754524006] [2023-11-19 07:39:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754524006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:50,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:50,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:39:50,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408311912] [2023-11-19 07:39:50,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:50,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:39:50,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:39:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:50,260 INFO L87 Difference]: Start difference. First operand 510 states and 784 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 07:39:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:54,098 INFO L93 Difference]: Finished difference Result 1200 states and 1863 transitions. [2023-11-19 07:39:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:39:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 140 [2023-11-19 07:39:54,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:54,108 INFO L225 Difference]: With dead ends: 1200 [2023-11-19 07:39:54,108 INFO L226 Difference]: Without dead ends: 713 [2023-11-19 07:39:54,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:39:54,112 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1607 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2975 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 2975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:54,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 1332 Invalid, 3536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [561 Valid, 2975 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 07:39:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-11-19 07:39:54,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 512. [2023-11-19 07:39:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (91), 82 states have call predecessors, (91), 83 states have call successors, (91) [2023-11-19 07:39:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 787 transitions. [2023-11-19 07:39:54,182 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 787 transitions. Word has length 140 [2023-11-19 07:39:54,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:54,183 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 787 transitions. [2023-11-19 07:39:54,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 07:39:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 787 transitions. [2023-11-19 07:39:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 07:39:54,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:54,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:54,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:39:54,189 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:54,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -991958131, now seen corresponding path program 1 times [2023-11-19 07:39:54,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:54,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956824198] [2023-11-19 07:39:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:54,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:39:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:39:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:39:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:39:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:39:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:39:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-19 07:39:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 07:39:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:39:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-19 07:39:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:39:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 07:39:54,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:54,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956824198] [2023-11-19 07:39:54,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956824198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:54,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:54,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:39:54,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196347113] [2023-11-19 07:39:54,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:54,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:39:54,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:54,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:39:54,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:54,535 INFO L87 Difference]: Start difference. First operand 512 states and 787 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 07:39:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:58,387 INFO L93 Difference]: Finished difference Result 1200 states and 1862 transitions. [2023-11-19 07:39:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:39:58,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 141 [2023-11-19 07:39:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:58,397 INFO L225 Difference]: With dead ends: 1200 [2023-11-19 07:39:58,398 INFO L226 Difference]: Without dead ends: 713 [2023-11-19 07:39:58,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-11-19 07:39:58,403 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1555 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3153 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 3699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 3153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:58,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 1332 Invalid, 3699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 3153 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 07:39:58,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-11-19 07:39:58,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 512. [2023-11-19 07:39:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (91), 82 states have call predecessors, (91), 83 states have call successors, (91) [2023-11-19 07:39:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 787 transitions. [2023-11-19 07:39:58,489 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 787 transitions. Word has length 141 [2023-11-19 07:39:58,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:58,489 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 787 transitions. [2023-11-19 07:39:58,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 07:39:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 787 transitions. [2023-11-19 07:39:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 07:39:58,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:58,495 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:58,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:39:58,496 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:58,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:58,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1948912698, now seen corresponding path program 1 times [2023-11-19 07:39:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:58,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802280945] [2023-11-19 07:39:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:39:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:39:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:39:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:39:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:39:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:39:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:39:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:39:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:39:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:39:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:39:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 07:39:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:39:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-19 07:39:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:39:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:39:58,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:58,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802280945] [2023-11-19 07:39:58,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802280945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:58,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:58,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:39:58,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661294986] [2023-11-19 07:39:58,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:58,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:39:58,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:39:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:39:58,895 INFO L87 Difference]: Start difference. First operand 512 states and 787 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-19 07:40:03,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:03,475 INFO L93 Difference]: Finished difference Result 1198 states and 1857 transitions. [2023-11-19 07:40:03,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:40:03,476 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2023-11-19 07:40:03,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:03,483 INFO L225 Difference]: With dead ends: 1198 [2023-11-19 07:40:03,483 INFO L226 Difference]: Without dead ends: 713 [2023-11-19 07:40:03,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-19 07:40:03,487 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1589 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 5763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:03,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 1845 Invalid, 5763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [545 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-19 07:40:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-11-19 07:40:03,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 512. [2023-11-19 07:40:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 396 states have (on average 1.5454545454545454) internal successors, (612), 403 states have internal predecessors, (612), 84 states have call successors, (84), 28 states have call predecessors, (84), 31 states have return successors, (90), 82 states have call predecessors, (90), 83 states have call successors, (90) [2023-11-19 07:40:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 786 transitions. [2023-11-19 07:40:03,575 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 786 transitions. Word has length 160 [2023-11-19 07:40:03,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:03,576 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 786 transitions. [2023-11-19 07:40:03,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-19 07:40:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 786 transitions. [2023-11-19 07:40:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 07:40:03,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:03,581 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:03,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:40:03,581 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:03,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash 348539802, now seen corresponding path program 1 times [2023-11-19 07:40:03,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:03,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653177970] [2023-11-19 07:40:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:03,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:40:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:40:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:40:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:40:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:40:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:40:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:40:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:40:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:40:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 07:40:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 07:40:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:40:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:40:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-19 07:40:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 07:40:03,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653177970] [2023-11-19 07:40:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653177970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:03,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:03,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:40:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030853389] [2023-11-19 07:40:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:03,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:40:03,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:03,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:40:03,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:40:03,892 INFO L87 Difference]: Start difference. First operand 512 states and 786 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2023-11-19 07:40:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:07,704 INFO L93 Difference]: Finished difference Result 1200 states and 1863 transitions. [2023-11-19 07:40:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:40:07,705 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 142 [2023-11-19 07:40:07,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:07,712 INFO L225 Difference]: With dead ends: 1200 [2023-11-19 07:40:07,712 INFO L226 Difference]: Without dead ends: 715 [2023-11-19 07:40:07,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-19 07:40:07,716 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1632 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5093 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 5646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 5093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:07,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 1843 Invalid, 5646 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [553 Valid, 5093 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 07:40:07,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2023-11-19 07:40:07,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 514. [2023-11-19 07:40:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 397 states have (on average 1.544080604534005) internal successors, (613), 405 states have internal predecessors, (613), 84 states have call successors, (84), 28 states have call predecessors, (84), 32 states have return successors, (95), 82 states have call predecessors, (95), 83 states have call successors, (95) [2023-11-19 07:40:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 792 transitions. [2023-11-19 07:40:07,769 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 792 transitions. Word has length 142 [2023-11-19 07:40:07,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:07,770 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 792 transitions. [2023-11-19 07:40:07,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2023-11-19 07:40:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 792 transitions. [2023-11-19 07:40:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 07:40:07,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:07,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:07,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:40:07,775 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:07,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:07,775 INFO L85 PathProgramCache]: Analyzing trace with hash 908623408, now seen corresponding path program 1 times [2023-11-19 07:40:07,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:07,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716131447] [2023-11-19 07:40:07,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:07,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:40:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:40:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:40:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:40:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:40:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:40:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-19 07:40:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:40:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:40:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:40:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:40:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:40:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:40:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 07:40:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:40:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716131447] [2023-11-19 07:40:07,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716131447] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:40:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720810843] [2023-11-19 07:40:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:07,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:40:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:07,992 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:40:08,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:40:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:08,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:40:08,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:40:08,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:40:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:40:08,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720810843] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:40:08,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:40:08,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-19 07:40:08,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111393828] [2023-11-19 07:40:08,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:40:08,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 07:40:08,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:08,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 07:40:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:40:08,479 INFO L87 Difference]: Start difference. First operand 514 states and 792 transitions. Second operand has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 7 states have internal predecessors, (131), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:40:11,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:11,850 INFO L93 Difference]: Finished difference Result 1402 states and 2256 transitions. [2023-11-19 07:40:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:40:11,852 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 7 states have internal predecessors, (131), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 143 [2023-11-19 07:40:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:11,862 INFO L225 Difference]: With dead ends: 1402 [2023-11-19 07:40:11,862 INFO L226 Difference]: Without dead ends: 1157 [2023-11-19 07:40:11,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:40:11,865 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 2084 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 4049 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2138 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 4778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 4049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:11,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2138 Valid, 1829 Invalid, 4778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 4049 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-19 07:40:11,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2023-11-19 07:40:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 932. [2023-11-19 07:40:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 736 states have (on average 1.611413043478261) internal successors, (1186), 744 states have internal predecessors, (1186), 163 states have call successors, (163), 28 states have call predecessors, (163), 32 states have return successors, (184), 161 states have call predecessors, (184), 162 states have call successors, (184) [2023-11-19 07:40:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1533 transitions. [2023-11-19 07:40:11,943 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1533 transitions. Word has length 143 [2023-11-19 07:40:11,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:11,943 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1533 transitions. [2023-11-19 07:40:11,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 7 states have internal predecessors, (131), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:40:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1533 transitions. [2023-11-19 07:40:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 07:40:11,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:11,951 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:11,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-19 07:40:12,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dcb9dd-5f19-4f07-85df-dda70c99723c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:40:12,168 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:12,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:12,168 INFO L85 PathProgramCache]: Analyzing trace with hash 77682392, now seen corresponding path program 1 times [2023-11-19 07:40:12,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:12,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358588832] [2023-11-19 07:40:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:12,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:40:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:40:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:40:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:40:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:40:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 07:40:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:40:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:40:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 07:40:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-19 07:40:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:40:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 07:40:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:40:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-19 07:40:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-19 07:40:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:40:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-19 07:40:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-19 07:40:12,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:12,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358588832] [2023-11-19 07:40:12,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358588832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:12,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:12,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:12,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033996635] [2023-11-19 07:40:12,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:12,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:12,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:12,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:12,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:12,332 INFO L87 Difference]: Start difference. First operand 932 states and 1533 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:40:14,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:14,721 INFO L93 Difference]: Finished difference Result 2420 states and 4057 transitions. [2023-11-19 07:40:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:40:14,721 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2023-11-19 07:40:14,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:14,737 INFO L225 Difference]: With dead ends: 2420 [2023-11-19 07:40:14,737 INFO L226 Difference]: Without dead ends: 1556 [2023-11-19 07:40:14,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:40:14,743 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 1751 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:14,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 1018 Invalid, 2361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 07:40:14,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2023-11-19 07:40:14,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1347. [2023-11-19 07:40:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1072 states have (on average 1.6287313432835822) internal successors, (1746), 1080 states have internal predecessors, (1746), 242 states have call successors, (242), 28 states have call predecessors, (242), 32 states have return successors, (273), 240 states have call predecessors, (273), 241 states have call successors, (273) [2023-11-19 07:40:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 2261 transitions. [2023-11-19 07:40:14,889 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 2261 transitions. Word has length 168 [2023-11-19 07:40:14,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:14,889 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 2261 transitions. [2023-11-19 07:40:14,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:40:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2261 transitions. [2023-11-19 07:40:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 07:40:14,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:14,901 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:14,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:40:14,901 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:14,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1173519075, now seen corresponding path program 1 times [2023-11-19 07:40:14,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:14,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609149470] [2023-11-19 07:40:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:40:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:40:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:40:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:40:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:40:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:40:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:40:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:40:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:40:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:40:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:40:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-19 07:40:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:40:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:40:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 07:40:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-19 07:40:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-19 07:40:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-19 07:40:15,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:15,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609149470] [2023-11-19 07:40:15,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609149470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:15,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:15,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:15,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534360771] [2023-11-19 07:40:15,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:15,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:15,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:15,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:15,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:15,100 INFO L87 Difference]: Start difference. First operand 1347 states and 2261 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)