./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya --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 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:47:35,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:47:35,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:47:35,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:47:35,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:47:35,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:47:35,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:47:35,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:47:35,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:47:35,607 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:47:35,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:47:35,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:47:35,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:47:35,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:47:35,610 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:47:35,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:47:35,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:47:35,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:47:35,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:47:35,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:47:35,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:47:35,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:47:35,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:47:35,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:47:35,615 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:47:35,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:47:35,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:47:35,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:47:35,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:47:35,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:47:35,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:47:35,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:47:35,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:47:35,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:47:35,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:47:35,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:47:35,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:47:35,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:47:35,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:47:35,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:47:35,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:47:35,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:47:35,622 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_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 [2023-11-29 03:47:35,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:47:35,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:47:35,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:47:35,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:47:35,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:47:35,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2023-11-29 03:47:38,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:47:39,023 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:47:39,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2023-11-29 03:47:39,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/data/fdf7acfa2/e5ad97a1e92b4ef084dd36f0cbe77b4d/FLAGf6f2db864 [2023-11-29 03:47:39,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/data/fdf7acfa2/e5ad97a1e92b4ef084dd36f0cbe77b4d [2023-11-29 03:47:39,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:47:39,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:47:39,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:47:39,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:47:39,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:47:39,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7bd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39, skipping insertion in model container [2023-11-29 03:47:39,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:47:39,440 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_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2023-11-29 03:47:39,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:47:39,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:47:39,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2023-11-29 03:47:39,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2023-11-29 03:47:39,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [115] [2023-11-29 03:47:39,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1195] [2023-11-29 03:47:39,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1204] [2023-11-29 03:47:39,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1248] [2023-11-29 03:47:39,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1614] [2023-11-29 03:47:39,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1919] [2023-11-29 03:47:39,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2334] [2023-11-29 03:47:39,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2733] [2023-11-29 03:47:39,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2952] [2023-11-29 03:47:39,719 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_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2023-11-29 03:47:39,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:47:39,803 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:47:39,811 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:47:39,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39 WrapperNode [2023-11-29 03:47:39,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:47:39,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:47:39,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:47:39,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:47:39,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,907 INFO L138 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1138 [2023-11-29 03:47:39,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:47:39,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:47:39,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:47:39,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:47:39,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,957 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-11-29 03:47:39,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:39,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:40,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:40,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:40,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:47:40,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:47:40,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:47:40,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:47:40,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (1/1) ... [2023-11-29 03:47:40,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:47:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:40,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:47:40,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:47:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-11-29 03:47:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-11-29 03:47:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-29 03:47:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-29 03:47:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-29 03:47:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-29 03:47:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-29 03:47:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-29 03:47:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-29 03:47:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-29 03:47:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-29 03:47:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-29 03:47:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-29 03:47:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-29 03:47:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-29 03:47:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-29 03:47:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-29 03:47:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-29 03:47:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-29 03:47:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-29 03:47:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-29 03:47:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-29 03:47:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-29 03:47:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-29 03:47:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 03:47:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-29 03:47:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-29 03:47:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-29 03:47:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-29 03:47:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:47:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-29 03:47:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-29 03:47:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-11-29 03:47:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-11-29 03:47:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-29 03:47:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-29 03:47:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-29 03:47:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-29 03:47:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-29 03:47:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-29 03:47:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-29 03:47:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-29 03:47:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-11-29 03:47:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-11-29 03:47:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-29 03:47:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-29 03:47:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-29 03:47:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-29 03:47:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-29 03:47:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-29 03:47:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-29 03:47:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-29 03:47:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-29 03:47:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-29 03:47:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:47:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:47:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:47:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 03:47:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-29 03:47:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-29 03:47:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-29 03:47:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-29 03:47:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:47:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:47:40,304 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:47:40,307 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:47:41,122 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:47:41,201 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:47:41,201 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:47:41,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:47:41 BoogieIcfgContainer [2023-11-29 03:47:41,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:47:41,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:47:41,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:47:41,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:47:41,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:47:39" (1/3) ... [2023-11-29 03:47:41,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74537d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:47:41, skipping insertion in model container [2023-11-29 03:47:41,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:47:39" (2/3) ... [2023-11-29 03:47:41,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74537d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:47:41, skipping insertion in model container [2023-11-29 03:47:41,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:47:41" (3/3) ... [2023-11-29 03:47:41,211 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product34.cil.c [2023-11-29 03:47:41,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:47:41,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:47:41,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:47:41,297 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;@76156bed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:47:41,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:47:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 314 states have (on average 1.5923566878980893) internal successors, (500), 319 states have internal predecessors, (500), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-11-29 03:47:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 03:47:41,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:41,326 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:41,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:41,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:41,332 INFO L85 PathProgramCache]: Analyzing trace with hash -56840116, now seen corresponding path program 1 times [2023-11-29 03:47:41,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:41,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061873868] [2023-11-29 03:47:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:41,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:47:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:47:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:47:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:47:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:47:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 03:47:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 03:47:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 03:47:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 03:47:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:47:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 03:47:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:47:41,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:41,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061873868] [2023-11-29 03:47:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061873868] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:47:41,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154596638] [2023-11-29 03:47:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:41,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:41,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:47:42,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:47:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:42,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:47:42,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:47:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 03:47:42,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:47:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154596638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:42,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:47:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-11-29 03:47:42,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403107324] [2023-11-29 03:47:42,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:42,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:47:42,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:42,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:47:42,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:47:42,434 INFO L87 Difference]: Start difference. First operand has 415 states, 314 states have (on average 1.5923566878980893) internal successors, (500), 319 states have internal predecessors, (500), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:47:42,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:42,536 INFO L93 Difference]: Finished difference Result 646 states and 983 transitions. [2023-11-29 03:47:42,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:47:42,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2023-11-29 03:47:42,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:42,555 INFO L225 Difference]: With dead ends: 646 [2023-11-29 03:47:42,555 INFO L226 Difference]: Without dead ends: 412 [2023-11-29 03:47:42,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:47:42,565 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:42,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 619 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:47:42,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-29 03:47:42,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-11-29 03:47:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 312 states have (on average 1.580128205128205) internal successors, (493), 316 states have internal predecessors, (493), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 03:47:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 634 transitions. [2023-11-29 03:47:42,635 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 634 transitions. Word has length 104 [2023-11-29 03:47:42,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:42,636 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 634 transitions. [2023-11-29 03:47:42,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:47:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 634 transitions. [2023-11-29 03:47:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 03:47:42,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:42,644 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:42,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:47:42,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 03:47:42,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:42,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:42,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1517196704, now seen corresponding path program 1 times [2023-11-29 03:47:42,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:42,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957363428] [2023-11-29 03:47:42,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:42,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:47:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:47:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:47:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 03:47:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 03:47:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:47:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 03:47:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 03:47:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 03:47:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 03:47:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:47:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:47:43,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:43,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957363428] [2023-11-29 03:47:43,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957363428] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:47:43,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040185870] [2023-11-29 03:47:43,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:43,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:43,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:43,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:47:43,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:47:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:43,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:47:43,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:47:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 03:47:43,547 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:47:43,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040185870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:43,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:47:43,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 03:47:43,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684638323] [2023-11-29 03:47:43,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:43,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:47:43,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:43,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:47:43,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:47:43,551 INFO L87 Difference]: Start difference. First operand 412 states and 634 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:47:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:43,633 INFO L93 Difference]: Finished difference Result 642 states and 967 transitions. [2023-11-29 03:47:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:47:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2023-11-29 03:47:43,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:43,639 INFO L225 Difference]: With dead ends: 642 [2023-11-29 03:47:43,639 INFO L226 Difference]: Without dead ends: 414 [2023-11-29 03:47:43,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:47:43,642 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 0 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1231 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 [2023-11-29 03:47:43,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1231 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:47:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2023-11-29 03:47:43,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2023-11-29 03:47:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 314 states have (on average 1.5764331210191083) internal successors, (495), 318 states have internal predecessors, (495), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 03:47:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 636 transitions. [2023-11-29 03:47:43,679 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 636 transitions. Word has length 105 [2023-11-29 03:47:43,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:43,680 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 636 transitions. [2023-11-29 03:47:43,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:47:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 636 transitions. [2023-11-29 03:47:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 03:47:43,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:43,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:43,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:47:43,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:43,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:43,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:43,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1398738972, now seen corresponding path program 1 times [2023-11-29 03:47:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:43,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791347144] [2023-11-29 03:47:43,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:43,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:47:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:47:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:47:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 03:47:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:47:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 03:47:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:47:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 03:47:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 03:47:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 03:47:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 03:47:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:47:44,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:44,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791347144] [2023-11-29 03:47:44,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791347144] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:47:44,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684807005] [2023-11-29 03:47:44,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:44,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:44,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:44,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:47:44,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:47:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:47:44,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:47:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 03:47:44,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:47:44,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684807005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:44,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:47:44,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 03:47:44,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449775087] [2023-11-29 03:47:44,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:44,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:47:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:44,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:47:44,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:47:44,522 INFO L87 Difference]: Start difference. First operand 414 states and 636 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:47:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:44,593 INFO L93 Difference]: Finished difference Result 876 states and 1364 transitions. [2023-11-29 03:47:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:47:44,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2023-11-29 03:47:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:44,597 INFO L225 Difference]: With dead ends: 876 [2023-11-29 03:47:44,597 INFO L226 Difference]: Without dead ends: 484 [2023-11-29 03:47:44,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:47:44,600 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 129 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:44,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1192 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:47:44,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2023-11-29 03:47:44,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 479. [2023-11-29 03:47:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 365 states have (on average 1.5945205479452054) internal successors, (582), 369 states have internal predecessors, (582), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 03:47:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 751 transitions. [2023-11-29 03:47:44,627 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 751 transitions. Word has length 110 [2023-11-29 03:47:44,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:44,627 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 751 transitions. [2023-11-29 03:47:44,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:47:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 751 transitions. [2023-11-29 03:47:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 03:47:44,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:44,630 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:44,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 03:47:44,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:44,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:44,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:44,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2021281014, now seen corresponding path program 1 times [2023-11-29 03:47:44,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:44,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644422665] [2023-11-29 03:47:44,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:44,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:47:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:47:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:47:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 03:47:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 03:47:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:47:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 03:47:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 03:47:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:47:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 03:47:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:47:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:47:45,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:45,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644422665] [2023-11-29 03:47:45,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644422665] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:47:45,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958432055] [2023-11-29 03:47:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:45,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:45,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:45,028 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:47:45,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:47:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:47:45,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:47:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 03:47:45,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:47:45,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958432055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:45,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:47:45,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 03:47:45,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20779465] [2023-11-29 03:47:45,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:45,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:47:45,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:45,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:47:45,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:47:45,457 INFO L87 Difference]: Start difference. First operand 479 states and 751 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:45,589 INFO L93 Difference]: Finished difference Result 953 states and 1496 transitions. [2023-11-29 03:47:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:47:45,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2023-11-29 03:47:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:45,594 INFO L225 Difference]: With dead ends: 953 [2023-11-29 03:47:45,594 INFO L226 Difference]: Without dead ends: 481 [2023-11-29 03:47:45,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:47:45,597 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 8 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:45,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2417 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:47:45,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-29 03:47:45,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2023-11-29 03:47:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 366 states have (on average 1.592896174863388) internal successors, (583), 371 states have internal predecessors, (583), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2023-11-29 03:47:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 754 transitions. [2023-11-29 03:47:45,624 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 754 transitions. Word has length 111 [2023-11-29 03:47:45,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:45,625 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 754 transitions. [2023-11-29 03:47:45,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 754 transitions. [2023-11-29 03:47:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 03:47:45,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:45,629 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:45,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:47:45,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:45,833 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:45,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:45,833 INFO L85 PathProgramCache]: Analyzing trace with hash -721158848, now seen corresponding path program 1 times [2023-11-29 03:47:45,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:45,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903708432] [2023-11-29 03:47:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:45,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:47:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 03:47:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:47:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 03:47:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 03:47:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 03:47:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:47:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:47:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:47:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:47:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 03:47:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:47:46,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:46,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903708432] [2023-11-29 03:47:46,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903708432] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:47:46,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878751888] [2023-11-29 03:47:46,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:46,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:46,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:46,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:47:46,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:47:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:47:46,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:47:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 03:47:46,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:47:46,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878751888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:46,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:47:46,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-29 03:47:46,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855167428] [2023-11-29 03:47:46,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:46,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:47:46,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:47:46,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:47:46,510 INFO L87 Difference]: Start difference. First operand 481 states and 754 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:46,652 INFO L93 Difference]: Finished difference Result 955 states and 1501 transitions. [2023-11-29 03:47:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:47:46,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 112 [2023-11-29 03:47:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:46,656 INFO L225 Difference]: With dead ends: 955 [2023-11-29 03:47:46,656 INFO L226 Difference]: Without dead ends: 483 [2023-11-29 03:47:46,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:47:46,660 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 8 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:46,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2403 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:47:46,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-29 03:47:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2023-11-29 03:47:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 367 states have (on average 1.5912806539509536) internal successors, (584), 373 states have internal predecessors, (584), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2023-11-29 03:47:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 760 transitions. [2023-11-29 03:47:46,687 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 760 transitions. Word has length 112 [2023-11-29 03:47:46,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:46,688 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 760 transitions. [2023-11-29 03:47:46,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 760 transitions. [2023-11-29 03:47:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 03:47:46,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:46,691 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:46,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:47:46,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:46,892 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:46,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash 220388567, now seen corresponding path program 1 times [2023-11-29 03:47:46,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:46,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049500808] [2023-11-29 03:47:46,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:47:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:47:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 03:47:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 03:47:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:47:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 03:47:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 03:47:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:47:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 03:47:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 03:47:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 03:47:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:47:47,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:47,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049500808] [2023-11-29 03:47:47,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049500808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:47,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:47:47,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:47:47,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915075151] [2023-11-29 03:47:47,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:47,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:47:47,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:47,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:47:47,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:47:47,080 INFO L87 Difference]: Start difference. First operand 483 states and 760 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:49,850 INFO L93 Difference]: Finished difference Result 1110 states and 1778 transitions. [2023-11-29 03:47:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:47:49,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2023-11-29 03:47:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:49,856 INFO L225 Difference]: With dead ends: 1110 [2023-11-29 03:47:49,857 INFO L226 Difference]: Without dead ends: 646 [2023-11-29 03:47:49,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:47:49,860 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1532 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:49,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 1192 Invalid, 3464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 03:47:49,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2023-11-29 03:47:49,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 483. [2023-11-29 03:47:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 367 states have (on average 1.5912806539509536) internal successors, (584), 373 states have internal predecessors, (584), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2023-11-29 03:47:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 759 transitions. [2023-11-29 03:47:49,913 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 759 transitions. Word has length 113 [2023-11-29 03:47:49,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:49,914 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 759 transitions. [2023-11-29 03:47:49,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 759 transitions. [2023-11-29 03:47:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 03:47:49,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:49,917 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:49,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:47:49,917 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:49,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:49,918 INFO L85 PathProgramCache]: Analyzing trace with hash -303258197, now seen corresponding path program 2 times [2023-11-29 03:47:49,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:49,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48828287] [2023-11-29 03:47:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:49,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:47:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:47:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 03:47:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:47:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 03:47:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 03:47:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 03:47:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:47:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 03:47:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:47:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 03:47:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:47:50,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:50,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48828287] [2023-11-29 03:47:50,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48828287] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:50,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:47:50,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:47:50,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077628757] [2023-11-29 03:47:50,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:50,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:47:50,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:47:50,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:47:50,149 INFO L87 Difference]: Start difference. First operand 483 states and 759 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:52,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:52,660 INFO L93 Difference]: Finished difference Result 1112 states and 1781 transitions. [2023-11-29 03:47:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:47:52,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2023-11-29 03:47:52,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:52,666 INFO L225 Difference]: With dead ends: 1112 [2023-11-29 03:47:52,667 INFO L226 Difference]: Without dead ends: 648 [2023-11-29 03:47:52,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:47:52,669 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1488 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 3031 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 3577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 3031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:52,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 1194 Invalid, 3577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 3031 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 03:47:52,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-29 03:47:52,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 485. [2023-11-29 03:47:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 368 states have (on average 1.5896739130434783) internal successors, (585), 375 states have internal predecessors, (585), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2023-11-29 03:47:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 762 transitions. [2023-11-29 03:47:52,716 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 762 transitions. Word has length 114 [2023-11-29 03:47:52,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:52,716 INFO L495 AbstractCegarLoop]: Abstraction has 485 states and 762 transitions. [2023-11-29 03:47:52,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 03:47:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 762 transitions. [2023-11-29 03:47:52,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:47:52,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:52,719 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:52,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:47:52,719 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:52,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:52,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1808218140, now seen corresponding path program 1 times [2023-11-29 03:47:52,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:52,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797483315] [2023-11-29 03:47:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:52,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:47:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:47:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:47:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:47:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:47:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 03:47:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 03:47:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 03:47:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:47:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 03:47:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:47:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:47:52,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:52,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797483315] [2023-11-29 03:47:52,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797483315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:52,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:47:52,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 03:47:52,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795486529] [2023-11-29 03:47:52,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:52,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:47:52,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:52,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:47:52,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:47:52,925 INFO L87 Difference]: Start difference. First operand 485 states and 762 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-29 03:47:55,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:55,944 INFO L93 Difference]: Finished difference Result 1110 states and 1776 transitions. [2023-11-29 03:47:55,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:47:55,945 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2023-11-29 03:47:55,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:55,950 INFO L225 Difference]: With dead ends: 1110 [2023-11-29 03:47:55,950 INFO L226 Difference]: Without dead ends: 648 [2023-11-29 03:47:55,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:47:55,952 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1500 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4943 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 4943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:55,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1651 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 4943 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 03:47:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-29 03:47:55,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 485. [2023-11-29 03:47:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 368 states have (on average 1.5896739130434783) internal successors, (585), 375 states have internal predecessors, (585), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2023-11-29 03:47:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 761 transitions. [2023-11-29 03:47:55,984 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 761 transitions. Word has length 115 [2023-11-29 03:47:55,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:55,984 INFO L495 AbstractCegarLoop]: Abstraction has 485 states and 761 transitions. [2023-11-29 03:47:55,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-29 03:47:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 761 transitions. [2023-11-29 03:47:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 03:47:55,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:55,986 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:55,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:47:55,987 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:55,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:55,987 INFO L85 PathProgramCache]: Analyzing trace with hash 665846095, now seen corresponding path program 2 times [2023-11-29 03:47:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:55,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752345654] [2023-11-29 03:47:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:55,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:47:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:47:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:47:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 03:47:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 03:47:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 03:47:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:47:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 03:47:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 03:47:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 03:47:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 03:47:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:47:56,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:56,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752345654] [2023-11-29 03:47:56,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752345654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:56,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:47:56,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 03:47:56,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592669240] [2023-11-29 03:47:56,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:56,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:47:56,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:56,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:47:56,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:47:56,189 INFO L87 Difference]: Start difference. First operand 485 states and 761 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-29 03:47:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:47:59,045 INFO L93 Difference]: Finished difference Result 1112 states and 1782 transitions. [2023-11-29 03:47:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:47:59,045 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 116 [2023-11-29 03:47:59,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:47:59,050 INFO L225 Difference]: With dead ends: 1112 [2023-11-29 03:47:59,050 INFO L226 Difference]: Without dead ends: 650 [2023-11-29 03:47:59,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:47:59,054 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1488 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4978 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 5554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 4978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:47:59,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 1651 Invalid, 5554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 4978 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 03:47:59,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-29 03:47:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 487. [2023-11-29 03:47:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 369 states have (on average 1.5880758807588076) internal successors, (586), 377 states have internal predecessors, (586), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2023-11-29 03:47:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 767 transitions. [2023-11-29 03:47:59,086 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 767 transitions. Word has length 116 [2023-11-29 03:47:59,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:47:59,086 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 767 transitions. [2023-11-29 03:47:59,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-29 03:47:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 767 transitions. [2023-11-29 03:47:59,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:47:59,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:47:59,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:47:59,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:47:59,089 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:47:59,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:59,089 INFO L85 PathProgramCache]: Analyzing trace with hash -320284927, now seen corresponding path program 1 times [2023-11-29 03:47:59,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:59,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795334755] [2023-11-29 03:47:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:59,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:47:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:47:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:47:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:47:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:47:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:47:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 03:47:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:47:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 03:47:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 03:47:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:47:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:47:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 03:47:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:47:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:47:59,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:59,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795334755] [2023-11-29 03:47:59,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795334755] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:47:59,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643900450] [2023-11-29 03:47:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:59,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:47:59,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:47:59,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:47:59,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:47:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:59,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:47:59,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:47:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:47:59,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:47:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:47:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643900450] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:47:59,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:47:59,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-29 03:47:59,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596593941] [2023-11-29 03:47:59,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:47:59,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:47:59,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:59,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:47:59,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:47:59,553 INFO L87 Difference]: Start difference. First operand 487 states and 767 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 03:48:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:01,607 INFO L93 Difference]: Finished difference Result 1298 states and 2159 transitions. [2023-11-29 03:48:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:48:01,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2023-11-29 03:48:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:01,614 INFO L225 Difference]: With dead ends: 1298 [2023-11-29 03:48:01,614 INFO L226 Difference]: Without dead ends: 1070 [2023-11-29 03:48:01,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:48:01,616 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 1950 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 2566 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 3290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 2566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:01,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 1469 Invalid, 3290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2566 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:48:01,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-29 03:48:01,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 892. [2023-11-29 03:48:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 695 states have (on average 1.6489208633093526) internal successors, (1146), 703 states have internal predecessors, (1146), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2023-11-29 03:48:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1495 transitions. [2023-11-29 03:48:01,700 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1495 transitions. Word has length 117 [2023-11-29 03:48:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:01,701 INFO L495 AbstractCegarLoop]: Abstraction has 892 states and 1495 transitions. [2023-11-29 03:48:01,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 03:48:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1495 transitions. [2023-11-29 03:48:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 03:48:01,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:01,707 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:01,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:48:01,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2afe9a-aac2-4d80-a8f5-e4c89acc00ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:48:01,908 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:01,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:01,909 INFO L85 PathProgramCache]: Analyzing trace with hash -91984514, now seen corresponding path program 1 times [2023-11-29 03:48:01,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:01,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490539055] [2023-11-29 03:48:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 03:48:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 03:48:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 03:48:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:48:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:48:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:48:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 03:48:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 03:48:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:02,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490539055] [2023-11-29 03:48:02,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490539055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:02,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:02,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:02,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450123299] [2023-11-29 03:48:02,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:02,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:02,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:02,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:02,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:02,032 INFO L87 Difference]: Start difference. First operand 892 states and 1495 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:03,789 INFO L93 Difference]: Finished difference Result 2294 states and 3938 transitions. [2023-11-29 03:48:03,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:03,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-11-29 03:48:03,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:03,798 INFO L225 Difference]: With dead ends: 2294 [2023-11-29 03:48:03,799 INFO L226 Difference]: Without dead ends: 1462 [2023-11-29 03:48:03,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:03,803 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1580 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:03,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 919 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:48:03,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2023-11-29 03:48:03,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1294. [2023-11-29 03:48:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1018 states have (on average 1.663064833005894) internal successors, (1693), 1026 states have internal predecessors, (1693), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2023-11-29 03:48:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 2210 transitions. [2023-11-29 03:48:03,866 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 2210 transitions. Word has length 123 [2023-11-29 03:48:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:03,866 INFO L495 AbstractCegarLoop]: Abstraction has 1294 states and 2210 transitions. [2023-11-29 03:48:03,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 2210 transitions. [2023-11-29 03:48:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 03:48:03,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:03,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:03,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:48:03,874 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:03,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash -769616251, now seen corresponding path program 1 times [2023-11-29 03:48:03,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:03,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930120491] [2023-11-29 03:48:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:48:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 03:48:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:48:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 03:48:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:48:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 03:48:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 03:48:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 03:48:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:03,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:03,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930120491] [2023-11-29 03:48:03,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930120491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:03,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:03,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:03,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883936609] [2023-11-29 03:48:03,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:03,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:03,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:03,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:03,973 INFO L87 Difference]: Start difference. First operand 1294 states and 2210 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:05,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:05,621 INFO L93 Difference]: Finished difference Result 3277 states and 5685 transitions. [2023-11-29 03:48:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2023-11-29 03:48:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:05,633 INFO L225 Difference]: With dead ends: 3277 [2023-11-29 03:48:05,633 INFO L226 Difference]: Without dead ends: 2093 [2023-11-29 03:48:05,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:05,638 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1593 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:05,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 890 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:48:05,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2023-11-29 03:48:05,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 1925. [2023-11-29 03:48:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1530 states have (on average 1.6725490196078432) internal successors, (2559), 1538 states have internal predecessors, (2559), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2023-11-29 03:48:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 3314 transitions. [2023-11-29 03:48:05,782 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 3314 transitions. Word has length 124 [2023-11-29 03:48:05,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:05,782 INFO L495 AbstractCegarLoop]: Abstraction has 1925 states and 3314 transitions. [2023-11-29 03:48:05,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 3314 transitions. [2023-11-29 03:48:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 03:48:05,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:05,796 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:05,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:48:05,797 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:05,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:05,797 INFO L85 PathProgramCache]: Analyzing trace with hash 422787392, now seen corresponding path program 1 times [2023-11-29 03:48:05,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:05,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494191548] [2023-11-29 03:48:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 03:48:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 03:48:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 03:48:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 03:48:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 03:48:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:48:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 03:48:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:48:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:05,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:05,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494191548] [2023-11-29 03:48:05,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494191548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:05,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:05,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:05,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123055478] [2023-11-29 03:48:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:05,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:05,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:05,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:05,920 INFO L87 Difference]: Start difference. First operand 1925 states and 3314 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:07,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:07,553 INFO L93 Difference]: Finished difference Result 4757 states and 8337 transitions. [2023-11-29 03:48:07,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:07,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2023-11-29 03:48:07,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:07,576 INFO L225 Difference]: With dead ends: 4757 [2023-11-29 03:48:07,576 INFO L226 Difference]: Without dead ends: 3062 [2023-11-29 03:48:07,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:07,584 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1635 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 1643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:07,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 877 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 1643 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:48:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2023-11-29 03:48:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2894. [2023-11-29 03:48:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2337 states have (on average 1.680359435173299) internal successors, (3927), 2345 states have internal predecessors, (3927), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2023-11-29 03:48:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 5022 transitions. [2023-11-29 03:48:07,766 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 5022 transitions. Word has length 125 [2023-11-29 03:48:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:07,766 INFO L495 AbstractCegarLoop]: Abstraction has 2894 states and 5022 transitions. [2023-11-29 03:48:07,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 5022 transitions. [2023-11-29 03:48:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:48:07,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:07,785 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:07,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:48:07,785 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:07,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:07,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1357111046, now seen corresponding path program 1 times [2023-11-29 03:48:07,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:07,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790029826] [2023-11-29 03:48:07,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:07,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 03:48:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:48:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 03:48:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 03:48:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 03:48:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 03:48:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 03:48:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 03:48:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:07,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:07,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790029826] [2023-11-29 03:48:07,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790029826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:07,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:07,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:07,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794424384] [2023-11-29 03:48:07,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:07,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:07,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:07,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:07,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:07,901 INFO L87 Difference]: Start difference. First operand 2894 states and 5022 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:09,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:09,759 INFO L93 Difference]: Finished difference Result 7097 states and 12542 transitions. [2023-11-29 03:48:09,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:09,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2023-11-29 03:48:09,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:09,785 INFO L225 Difference]: With dead ends: 7097 [2023-11-29 03:48:09,785 INFO L226 Difference]: Without dead ends: 4630 [2023-11-29 03:48:09,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:09,792 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1620 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:09,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 879 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:48:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4630 states. [2023-11-29 03:48:09,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4630 to 4462. [2023-11-29 03:48:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4462 states, 3660 states have (on average 1.6860655737704917) internal successors, (6171), 3668 states have internal predecessors, (6171), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2023-11-29 03:48:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 7782 transitions. [2023-11-29 03:48:10,019 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 7782 transitions. Word has length 126 [2023-11-29 03:48:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:10,019 INFO L495 AbstractCegarLoop]: Abstraction has 4462 states and 7782 transitions. [2023-11-29 03:48:10,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 7782 transitions. [2023-11-29 03:48:10,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-29 03:48:10,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:10,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:10,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:48:10,040 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:10,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:10,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1810416668, now seen corresponding path program 1 times [2023-11-29 03:48:10,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:10,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655361767] [2023-11-29 03:48:10,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:10,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 03:48:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 03:48:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 03:48:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:48:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 03:48:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 03:48:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 03:48:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:48:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:10,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:10,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655361767] [2023-11-29 03:48:10,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655361767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:10,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:10,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:10,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869063708] [2023-11-29 03:48:10,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:10,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:10,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:10,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:10,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:10,160 INFO L87 Difference]: Start difference. First operand 4462 states and 7782 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:11,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:11,974 INFO L93 Difference]: Finished difference Result 11050 states and 19609 transitions. [2023-11-29 03:48:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:11,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2023-11-29 03:48:11,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:12,026 INFO L225 Difference]: With dead ends: 11050 [2023-11-29 03:48:12,026 INFO L226 Difference]: Without dead ends: 7302 [2023-11-29 03:48:12,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:12,038 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1579 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:12,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 909 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:48:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7302 states. [2023-11-29 03:48:12,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7302 to 7134. [2023-11-29 03:48:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7134 states, 5839 states have (on average 1.680938516869327) internal successors, (9815), 5847 states have internal predecessors, (9815), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2023-11-29 03:48:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 12456 transitions. [2023-11-29 03:48:12,431 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 12456 transitions. Word has length 127 [2023-11-29 03:48:12,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:12,431 INFO L495 AbstractCegarLoop]: Abstraction has 7134 states and 12456 transitions. [2023-11-29 03:48:12,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 12456 transitions. [2023-11-29 03:48:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:48:12,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:12,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:12,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:48:12,466 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:12,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2058288170, now seen corresponding path program 1 times [2023-11-29 03:48:12,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:12,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154719823] [2023-11-29 03:48:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:12,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 03:48:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:48:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 03:48:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 03:48:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 03:48:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 03:48:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 03:48:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 03:48:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:12,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:12,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154719823] [2023-11-29 03:48:12,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154719823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:12,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:12,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:12,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124912885] [2023-11-29 03:48:12,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:12,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:12,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:12,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:12,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:12,586 INFO L87 Difference]: Start difference. First operand 7134 states and 12456 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:14,664 INFO L93 Difference]: Finished difference Result 18185 states and 32293 transitions. [2023-11-29 03:48:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:14,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2023-11-29 03:48:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:14,708 INFO L225 Difference]: With dead ends: 18185 [2023-11-29 03:48:14,708 INFO L226 Difference]: Without dead ends: 12131 [2023-11-29 03:48:14,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:14,728 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1539 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 594 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:14,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 886 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [594 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:48:14,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2023-11-29 03:48:15,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 11963. [2023-11-29 03:48:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11963 states, 9846 states have (on average 1.681393459272801) internal successors, (16555), 9854 states have internal predecessors, (16555), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2023-11-29 03:48:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 20918 transitions. [2023-11-29 03:48:15,290 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 20918 transitions. Word has length 128 [2023-11-29 03:48:15,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:15,290 INFO L495 AbstractCegarLoop]: Abstraction has 11963 states and 20918 transitions. [2023-11-29 03:48:15,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 20918 transitions. [2023-11-29 03:48:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 03:48:15,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:15,331 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:15,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:48:15,331 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:15,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash 275534634, now seen corresponding path program 1 times [2023-11-29 03:48:15,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:15,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465653546] [2023-11-29 03:48:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 03:48:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 03:48:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:48:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 03:48:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 03:48:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 03:48:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 03:48:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 03:48:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:15,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:15,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465653546] [2023-11-29 03:48:15,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465653546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:15,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:15,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:15,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721493164] [2023-11-29 03:48:15,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:15,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:15,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:15,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:15,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:15,449 INFO L87 Difference]: Start difference. First operand 11963 states and 20918 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:17,457 INFO L93 Difference]: Finished difference Result 28731 states and 50846 transitions. [2023-11-29 03:48:17,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:17,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2023-11-29 03:48:17,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:17,539 INFO L225 Difference]: With dead ends: 28731 [2023-11-29 03:48:17,539 INFO L226 Difference]: Without dead ends: 18803 [2023-11-29 03:48:17,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:17,561 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1634 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:17,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 854 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:48:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18803 states. [2023-11-29 03:48:18,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18803 to 18635. [2023-11-29 03:48:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18635 states, 15315 states have (on average 1.6595494613124389) internal successors, (25416), 15323 states have internal predecessors, (25416), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2023-11-29 03:48:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18635 states to 18635 states and 32329 transitions. [2023-11-29 03:48:18,422 INFO L78 Accepts]: Start accepts. Automaton has 18635 states and 32329 transitions. Word has length 129 [2023-11-29 03:48:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:18,422 INFO L495 AbstractCegarLoop]: Abstraction has 18635 states and 32329 transitions. [2023-11-29 03:48:18,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18635 states and 32329 transitions. [2023-11-29 03:48:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 03:48:18,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:18,452 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:18,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:48:18,452 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:18,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:18,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1352104501, now seen corresponding path program 1 times [2023-11-29 03:48:18,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:18,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274518457] [2023-11-29 03:48:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:18,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 03:48:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 03:48:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 03:48:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:48:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 03:48:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 03:48:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 03:48:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 03:48:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:18,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:18,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274518457] [2023-11-29 03:48:18,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274518457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:18,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:18,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:18,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97341524] [2023-11-29 03:48:18,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:18,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:18,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:18,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:18,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:18,570 INFO L87 Difference]: Start difference. First operand 18635 states and 32329 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:21,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:21,317 INFO L93 Difference]: Finished difference Result 49364 states and 87167 transitions. [2023-11-29 03:48:21,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:21,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2023-11-29 03:48:21,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:21,469 INFO L225 Difference]: With dead ends: 49364 [2023-11-29 03:48:21,469 INFO L226 Difference]: Without dead ends: 33384 [2023-11-29 03:48:21,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:21,515 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1560 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 637 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:21,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 886 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [637 Valid, 1737 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:48:21,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33384 states. [2023-11-29 03:48:22,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33384 to 33216. [2023-11-29 03:48:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33216 states, 27446 states have (on average 1.6570356336078118) internal successors, (45479), 27454 states have internal predecessors, (45479), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2023-11-29 03:48:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33216 states to 33216 states and 57566 transitions. [2023-11-29 03:48:22,720 INFO L78 Accepts]: Start accepts. Automaton has 33216 states and 57566 transitions. Word has length 130 [2023-11-29 03:48:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:22,721 INFO L495 AbstractCegarLoop]: Abstraction has 33216 states and 57566 transitions. [2023-11-29 03:48:22,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 33216 states and 57566 transitions. [2023-11-29 03:48:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 03:48:22,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:22,752 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:22,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:48:22,752 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:22,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2046939236, now seen corresponding path program 1 times [2023-11-29 03:48:22,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:22,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178592983] [2023-11-29 03:48:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:22,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:48:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 03:48:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:48:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 03:48:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 03:48:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 03:48:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 03:48:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 03:48:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:22,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:22,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178592983] [2023-11-29 03:48:22,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178592983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:22,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:22,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:22,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491748560] [2023-11-29 03:48:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:22,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:22,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:22,856 INFO L87 Difference]: Start difference. First operand 33216 states and 57566 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:26,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:26,175 INFO L93 Difference]: Finished difference Result 90666 states and 159391 transitions. [2023-11-29 03:48:26,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:26,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2023-11-29 03:48:26,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:26,312 INFO L225 Difference]: With dead ends: 90666 [2023-11-29 03:48:26,312 INFO L226 Difference]: Without dead ends: 60996 [2023-11-29 03:48:26,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:26,361 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1610 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:26,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 885 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 1648 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:48:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60996 states. [2023-11-29 03:48:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60996 to 60828. [2023-11-29 03:48:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60828 states, 50545 states have (on average 1.6534770996142052) internal successors, (83575), 50553 states have internal predecessors, (83575), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2023-11-29 03:48:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60828 states to 60828 states and 105220 transitions. [2023-11-29 03:48:28,499 INFO L78 Accepts]: Start accepts. Automaton has 60828 states and 105220 transitions. Word has length 131 [2023-11-29 03:48:28,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:28,500 INFO L495 AbstractCegarLoop]: Abstraction has 60828 states and 105220 transitions. [2023-11-29 03:48:28,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 60828 states and 105220 transitions. [2023-11-29 03:48:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 03:48:28,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:28,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:28,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:48:28,550 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:28,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:28,550 INFO L85 PathProgramCache]: Analyzing trace with hash 595519307, now seen corresponding path program 1 times [2023-11-29 03:48:28,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:28,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668998298] [2023-11-29 03:48:28,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:28,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 03:48:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 03:48:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 03:48:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:48:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 03:48:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 03:48:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 03:48:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 03:48:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:28,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:28,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668998298] [2023-11-29 03:48:28,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668998298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:28,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:28,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:48:28,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621380557] [2023-11-29 03:48:28,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:28,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:48:28,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:28,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:48:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:48:28,672 INFO L87 Difference]: Start difference. First operand 60828 states and 105220 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:33,159 INFO L93 Difference]: Finished difference Result 114018 states and 201001 transitions. [2023-11-29 03:48:33,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:48:33,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2023-11-29 03:48:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:33,464 INFO L225 Difference]: With dead ends: 114018 [2023-11-29 03:48:33,464 INFO L226 Difference]: Without dead ends: 113790 [2023-11-29 03:48:33,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:48:33,495 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1615 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:33,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 886 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:48:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113790 states. [2023-11-29 03:48:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113790 to 113622. [2023-11-29 03:48:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113622 states, 94971 states have (on average 1.6487875246127766) internal successors, (156587), 94979 states have internal predecessors, (156587), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2023-11-29 03:48:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113622 states to 113622 states and 196014 transitions. [2023-11-29 03:48:38,118 INFO L78 Accepts]: Start accepts. Automaton has 113622 states and 196014 transitions. Word has length 132 [2023-11-29 03:48:38,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:48:38,118 INFO L495 AbstractCegarLoop]: Abstraction has 113622 states and 196014 transitions. [2023-11-29 03:48:38,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:48:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 113622 states and 196014 transitions. [2023-11-29 03:48:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 03:48:38,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:48:38,157 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:48:38,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:48:38,157 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:48:38,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:48:38,157 INFO L85 PathProgramCache]: Analyzing trace with hash 639258435, now seen corresponding path program 1 times [2023-11-29 03:48:38,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:48:38,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724420860] [2023-11-29 03:48:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:48:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:48:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:48:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:48:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:48:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:48:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:48:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:48:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:48:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 03:48:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 03:48:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:48:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 03:48:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:48:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 03:48:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 03:48:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:48:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:48:38,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:48:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724420860] [2023-11-29 03:48:38,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724420860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:48:38,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:48:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 03:48:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477133140] [2023-11-29 03:48:38,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:48:38,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:48:38,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:48:38,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:48:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:48:38,701 INFO L87 Difference]: Start difference. First operand 113622 states and 196014 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-11-29 03:48:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:48:52,256 INFO L93 Difference]: Finished difference Result 227208 states and 403949 transitions. [2023-11-29 03:48:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-29 03:48:52,257 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 133 [2023-11-29 03:48:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:48:53,018 INFO L225 Difference]: With dead ends: 227208 [2023-11-29 03:48:53,018 INFO L226 Difference]: Without dead ends: 226985 [2023-11-29 03:48:53,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1642 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=922, Invalid=4334, Unknown=0, NotChecked=0, Total=5256 [2023-11-29 03:48:53,076 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 5390 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 10113 mSolverCounterSat, 2267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5405 SdHoareTripleChecker+Valid, 3040 SdHoareTripleChecker+Invalid, 12380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2267 IncrementalHoareTripleChecker+Valid, 10113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:48:53,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5405 Valid, 3040 Invalid, 12380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2267 Valid, 10113 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 03:48:53,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226985 states. [2023-11-29 03:49:01,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226985 to 226346. [2023-11-29 03:49:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226346 states, 189222 states have (on average 1.6492796820665674) internal successors, (312080), 189132 states have internal predecessors, (312080), 37037 states have call successors, (37037), 75 states have call predecessors, (37037), 86 states have return successors, (44719), 37146 states have call predecessors, (44719), 37034 states have call successors, (44719) [2023-11-29 03:49:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226346 states to 226346 states and 393836 transitions. [2023-11-29 03:49:02,073 INFO L78 Accepts]: Start accepts. Automaton has 226346 states and 393836 transitions. Word has length 133 [2023-11-29 03:49:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:49:02,074 INFO L495 AbstractCegarLoop]: Abstraction has 226346 states and 393836 transitions. [2023-11-29 03:49:02,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-11-29 03:49:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 226346 states and 393836 transitions. [2023-11-29 03:49:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 03:49:02,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:49:02,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:02,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:49:02,159 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:49:02,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:02,159 INFO L85 PathProgramCache]: Analyzing trace with hash -355234277, now seen corresponding path program 1 times [2023-11-29 03:49:02,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:02,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939438021] [2023-11-29 03:49:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:49:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:49:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:49:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:49:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:49:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:49:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:49:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 03:49:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 03:49:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:49:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 03:49:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:49:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:49:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 03:49:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:49:02,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:02,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939438021] [2023-11-29 03:49:02,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939438021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:02,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:02,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 03:49:02,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260954057] [2023-11-29 03:49:02,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:02,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:49:02,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:02,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:49:02,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:49:02,568 INFO L87 Difference]: Start difference. First operand 226346 states and 393836 transitions. Second operand has 18 states, 16 states have (on average 5.625) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-11-29 03:49:23,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:49:23,999 INFO L93 Difference]: Finished difference Result 450860 states and 808391 transitions. [2023-11-29 03:49:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-29 03:49:24,000 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.625) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 134 [2023-11-29 03:49:24,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:49:26,033 INFO L225 Difference]: With dead ends: 450860 [2023-11-29 03:49:26,033 INFO L226 Difference]: Without dead ends: 450078 [2023-11-29 03:49:26,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1536 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=961, Invalid=4441, Unknown=0, NotChecked=0, Total=5402 [2023-11-29 03:49:26,170 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 5514 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 10422 mSolverCounterSat, 2196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5514 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 12618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2196 IncrementalHoareTripleChecker+Valid, 10422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:49:26,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5514 Valid, 2370 Invalid, 12618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2196 Valid, 10422 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-29 03:49:26,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450078 states. [2023-11-29 03:49:44,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450078 to 448651. [2023-11-29 03:49:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448651 states, 375145 states have (on average 1.6502392408268802) internal successors, (619079), 374796 states have internal predecessors, (619079), 73313 states have call successors, (73313), 165 states have call predecessors, (73313), 192 states have return successors, (97226), 73709 states have call predecessors, (97226), 73306 states have call successors, (97226) [2023-11-29 03:49:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448651 states to 448651 states and 789618 transitions. [2023-11-29 03:49:47,497 INFO L78 Accepts]: Start accepts. Automaton has 448651 states and 789618 transitions. Word has length 134 [2023-11-29 03:49:47,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:49:47,497 INFO L495 AbstractCegarLoop]: Abstraction has 448651 states and 789618 transitions. [2023-11-29 03:49:47,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.625) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-11-29 03:49:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 448651 states and 789618 transitions. [2023-11-29 03:49:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 03:49:47,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:49:47,665 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:47,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:49:47,666 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:49:47,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash 889530204, now seen corresponding path program 1 times [2023-11-29 03:49:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74306446] [2023-11-29 03:49:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:49:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:49:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:49:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:49:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:49:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:49:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:49:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 03:49:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 03:49:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:49:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 03:49:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 03:49:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 03:49:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 03:49:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:49:47,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74306446] [2023-11-29 03:49:47,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74306446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:47,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:47,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:49:47,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431147101] [2023-11-29 03:49:47,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:47,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:49:47,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:47,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:49:47,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:49:47,868 INFO L87 Difference]: Start difference. First operand 448651 states and 789618 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:50:03,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:50:03,315 INFO L93 Difference]: Finished difference Result 452717 states and 809104 transitions. [2023-11-29 03:50:03,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:50:03,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2023-11-29 03:50:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:50:05,317 INFO L225 Difference]: With dead ends: 452717 [2023-11-29 03:50:05,317 INFO L226 Difference]: Without dead ends: 450813 [2023-11-29 03:50:05,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:50:05,442 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 2411 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 737 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:50:05,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 731 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [737 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 03:50:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450813 states. [2023-11-29 03:50:24,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450813 to 449502. [2023-11-29 03:50:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449502 states, 375795 states have (on average 1.6500592078127703) internal successors, (620084), 375475 states have internal predecessors, (620084), 73432 states have call successors, (73432), 249 states have call predecessors, (73432), 274 states have return successors, (97374), 73807 states have call predecessors, (97374), 73418 states have call successors, (97374) [2023-11-29 03:50:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449502 states to 449502 states and 790890 transitions. [2023-11-29 03:50:26,548 INFO L78 Accepts]: Start accepts. Automaton has 449502 states and 790890 transitions. Word has length 134 [2023-11-29 03:50:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:50:26,548 INFO L495 AbstractCegarLoop]: Abstraction has 449502 states and 790890 transitions. [2023-11-29 03:50:26,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:50:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 449502 states and 790890 transitions. [2023-11-29 03:50:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 03:50:28,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:50:28,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-11-29 03:50:28,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:50:28,364 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:50:28,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:50:28,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1433735310, now seen corresponding path program 1 times [2023-11-29 03:50:28,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:50:28,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220081808] [2023-11-29 03:50:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:50:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:50:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:50:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:50:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:50:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:50:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:50:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:50:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 03:50:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:50:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 03:50:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:50:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:50:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 03:50:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 03:50:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:50:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:50:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:50:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:50:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:50:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:50:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:50:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:50:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-29 03:50:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 03:50:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 03:50:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 03:50:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 03:50:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 03:50:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-29 03:50:28,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:50:28,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220081808] [2023-11-29 03:50:28,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220081808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:50:28,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:50:28,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:50:28,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3118555] [2023-11-29 03:50:28,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:50:28,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:50:28,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:50:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:50:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:50:28,796 INFO L87 Difference]: Start difference. First operand 449502 states and 790890 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-29 03:50:44,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:50:44,520 INFO L93 Difference]: Finished difference Result 452796 states and 809273 transitions. [2023-11-29 03:50:44,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:50:44,521 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 223 [2023-11-29 03:50:44,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:50:46,531 INFO L225 Difference]: With dead ends: 452796 [2023-11-29 03:50:46,531 INFO L226 Difference]: Without dead ends: 451353 [2023-11-29 03:50:46,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2023-11-29 03:50:46,697 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1688 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 3864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:50:46,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1208 Invalid, 3864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 03:50:46,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451353 states.