./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 527bcce2 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_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/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_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx --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 0.2.3-dev-527bcce [2023-11-21 22:14:06,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:14:06,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:14:06,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:14:06,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:14:06,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:14:06,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:14:06,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:14:06,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:14:06,623 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:14:06,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:14:06,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:14:06,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:14:06,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:14:06,628 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:14:06,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:14:06,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:14:06,629 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:14:06,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:14:06,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:14:06,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:14:06,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:14:06,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:14:06,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:14:06,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:14:06,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:14:06,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:14:06,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:14:06,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:14:06,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:14:06,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:14:06,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:06,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:14:06,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:14:06,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:14:06,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:14:06,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:14:06,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:14:06,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:14:06,639 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:14:06,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:14:06,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:14:06,640 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_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 [2023-11-21 22:14:06,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:14:07,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:14:07,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:14:07,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:14:07,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:14:07,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2023-11-21 22:14:10,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:14:10,835 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:14:10,836 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2023-11-21 22:14:10,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/data/e57d23444/d855153a27dc4492a3dab2ae1a9ba258/FLAG0eebca382 [2023-11-21 22:14:10,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/data/e57d23444/d855153a27dc4492a3dab2ae1a9ba258 [2023-11-21 22:14:10,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:14:10,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:14:10,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:10,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:14:10,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:14:10,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:10" (1/1) ... [2023-11-21 22:14:10,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374c41ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:10, skipping insertion in model container [2023-11-21 22:14:10,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:10" (1/1) ... [2023-11-21 22:14:10,984 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:14:11,380 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2023-11-21 22:14:11,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:11,799 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:14:11,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2023-11-21 22:14:11,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2023-11-21 22:14:11,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [115] [2023-11-21 22:14:11,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1195] [2023-11-21 22:14:11,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1204] [2023-11-21 22:14:11,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1248] [2023-11-21 22:14:11,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1614] [2023-11-21 22:14:11,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1919] [2023-11-21 22:14:11,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2334] [2023-11-21 22:14:11,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2733] [2023-11-21 22:14:11,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2952] [2023-11-21 22:14:11,881 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_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2023-11-21 22:14:11,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:11,994 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:14:12,009 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:14:12,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12 WrapperNode [2023-11-21 22:14:12,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:12,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:12,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:14:12,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:14:12,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,145 INFO L138 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1120 [2023-11-21 22:14:12,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:12,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:14:12,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:14:12,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:14:12,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,169 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,198 INFO L187 HeapSplitter]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4] [2023-11-21 22:14:12,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:14:12,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:14:12,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:14:12,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:14:12,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (1/1) ... [2023-11-21 22:14:12,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:12,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:12,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:14:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-11-21 22:14:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-11-21 22:14:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-21 22:14:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-21 22:14:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-21 22:14:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-21 22:14:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-21 22:14:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-21 22:14:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-21 22:14:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-21 22:14:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-21 22:14:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-21 22:14:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-21 22:14:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-21 22:14:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-21 22:14:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-21 22:14:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-21 22:14:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-21 22:14:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-21 22:14:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-21 22:14:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-21 22:14:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-21 22:14:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-21 22:14:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-21 22:14:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-21 22:14:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-21 22:14:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-21 22:14:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-21 22:14:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-21 22:14:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:14:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-21 22:14:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-21 22:14:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-11-21 22:14:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-11-21 22:14:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-21 22:14:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-21 22:14:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-21 22:14:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-21 22:14:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-21 22:14:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-21 22:14:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-21 22:14:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-21 22:14:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-11-21 22:14:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-11-21 22:14:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-11-21 22:14:12,420 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-11-21 22:14:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-21 22:14:12,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-21 22:14:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-21 22:14:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-21 22:14:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-21 22:14:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-21 22:14:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-21 22:14:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-21 22:14:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:14:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:14:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:14:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:14:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-21 22:14:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-21 22:14:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-21 22:14:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-21 22:14:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:14:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:14:12,710 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:14:12,713 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:14:13,786 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:14:14,765 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:14:14,766 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:14:14,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:14 BoogieIcfgContainer [2023-11-21 22:14:14,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:14:14,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:14:14,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:14:14,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:14:14,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:14:10" (1/3) ... [2023-11-21 22:14:14,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6a507c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:14, skipping insertion in model container [2023-11-21 22:14:14,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:12" (2/3) ... [2023-11-21 22:14:14,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6a507c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:14, skipping insertion in model container [2023-11-21 22:14:14,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:14" (3/3) ... [2023-11-21 22:14:14,781 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product34.cil.c [2023-11-21 22:14:14,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:14:14,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:14:14,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:14:14,889 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;@520a159c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:14:14,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:14:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 130 states have (on average 1.2923076923076924) internal successors, (168), 135 states have internal predecessors, (168), 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) [2023-11-21 22:14:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 22:14:14,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:14,913 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:14,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:14,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:14,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1863353463, now seen corresponding path program 1 times [2023-11-21 22:14:14,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:14,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178349962] [2023-11-21 22:14:14,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:14,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:14:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-21 22:14:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-21 22:14:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 22:14:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:14:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 22:14:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:14:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-21 22:14:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:15,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:15,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178349962] [2023-11-21 22:14:15,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178349962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:15,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:15,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:14:15,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365667256] [2023-11-21 22:14:15,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:15,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:14:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:15,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:14:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:14:15,741 INFO L87 Difference]: Start difference. First operand has 231 states, 130 states have (on average 1.2923076923076924) internal successors, (168), 135 states have internal predecessors, (168), 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 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 2 states have internal predecessors, (35), 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) [2023-11-21 22:14:17,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:17,204 INFO L93 Difference]: Finished difference Result 374 states and 498 transitions. [2023-11-21 22:14:17,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:14:17,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 2 states have internal predecessors, (35), 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 71 [2023-11-21 22:14:17,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:17,222 INFO L225 Difference]: With dead ends: 374 [2023-11-21 22:14:17,222 INFO L226 Difference]: Without dead ends: 232 [2023-11-21 22:14:17,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:14:17,233 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 303 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:17,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 375 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-21 22:14:17,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-21 22:14:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2023-11-21 22:14:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 128 states have (on average 1.265625) internal successors, (162), 132 states have internal predecessors, (162), 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) [2023-11-21 22:14:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 303 transitions. [2023-11-21 22:14:17,331 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 303 transitions. Word has length 71 [2023-11-21 22:14:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:17,332 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 303 transitions. [2023-11-21 22:14:17,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 2 states have internal predecessors, (35), 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) [2023-11-21 22:14:17,333 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2023-11-21 22:14:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:14:17,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:17,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:17,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:14:17,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:17,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:17,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1631290574, now seen corresponding path program 1 times [2023-11-21 22:14:17,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:17,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950897255] [2023-11-21 22:14:17,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:14:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-21 22:14:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 22:14:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-21 22:14:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:14:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-21 22:14:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:14:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 22:14:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:17,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:17,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950897255] [2023-11-21 22:14:17,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950897255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:17,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:17,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:17,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605194709] [2023-11-21 22:14:17,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:17,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:17,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:17,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:17,715 INFO L87 Difference]: Start difference. First operand 228 states and 303 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-21 22:14:18,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:18,910 INFO L93 Difference]: Finished difference Result 370 states and 482 transitions. [2023-11-21 22:14:18,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:18,911 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 3 states have internal predecessors, (36), 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 72 [2023-11-21 22:14:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:18,920 INFO L225 Difference]: With dead ends: 370 [2023-11-21 22:14:18,920 INFO L226 Difference]: Without dead ends: 234 [2023-11-21 22:14:18,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:14:18,926 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 303 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:18,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 451 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-21 22:14:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-11-21 22:14:18,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2023-11-21 22:14:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 130 states have (on average 1.2615384615384615) internal successors, (164), 134 states have internal predecessors, (164), 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) [2023-11-21 22:14:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 305 transitions. [2023-11-21 22:14:19,003 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 305 transitions. Word has length 72 [2023-11-21 22:14:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:19,004 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 305 transitions. [2023-11-21 22:14:19,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-21 22:14:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 305 transitions. [2023-11-21 22:14:19,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 22:14:19,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:19,014 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:19,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:14:19,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:19,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:19,015 INFO L85 PathProgramCache]: Analyzing trace with hash 532057532, now seen corresponding path program 1 times [2023-11-21 22:14:19,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:19,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425343964] [2023-11-21 22:14:19,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:19,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-21 22:14:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-21 22:14:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 22:14:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:14:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-21 22:14:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:14:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 22:14:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:14:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:19,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:19,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425343964] [2023-11-21 22:14:19,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425343964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:19,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:19,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:19,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591797540] [2023-11-21 22:14:19,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:19,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:19,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:19,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:19,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:19,257 INFO L87 Difference]: Start difference. First operand 230 states and 305 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-21 22:14:20,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:20,441 INFO L93 Difference]: Finished difference Result 499 states and 683 transitions. [2023-11-21 22:14:20,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:20,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 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 77 [2023-11-21 22:14:20,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:20,445 INFO L225 Difference]: With dead ends: 499 [2023-11-21 22:14:20,445 INFO L226 Difference]: Without dead ends: 287 [2023-11-21 22:14:20,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:14:20,448 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 362 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:20,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 483 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:20,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-21 22:14:20,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 278. [2023-11-21 22:14:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 164 states have (on average 1.3353658536585367) internal successors, (219), 168 states have internal predecessors, (219), 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) [2023-11-21 22:14:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 388 transitions. [2023-11-21 22:14:20,494 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 388 transitions. Word has length 77 [2023-11-21 22:14:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:20,495 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 388 transitions. [2023-11-21 22:14:20,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-21 22:14:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 388 transitions. [2023-11-21 22:14:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 22:14:20,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:20,498 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:20,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:14:20,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:20,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:20,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1049229688, now seen corresponding path program 1 times [2023-11-21 22:14:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:20,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691074602] [2023-11-21 22:14:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:14:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 22:14:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 22:14:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:14:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-21 22:14:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:14:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 22:14:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-21 22:14:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:20,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:20,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691074602] [2023-11-21 22:14:20,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691074602] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:14:20,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158278226] [2023-11-21 22:14:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:20,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:20,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:20,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:14:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:21,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:14:21,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:21,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:14:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:21,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158278226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:14:21,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:14:21,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-21 22:14:21,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331424011] [2023-11-21 22:14:21,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:14:21,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-21 22:14:21,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 22:14:21,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:14:21,499 INFO L87 Difference]: Start difference. First operand 278 states and 388 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 7 states have internal predecessors, (65), 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) [2023-11-21 22:14:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:23,003 INFO L93 Difference]: Finished difference Result 693 states and 1032 transitions. [2023-11-21 22:14:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:14:23,004 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 7 states have internal predecessors, (65), 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 78 [2023-11-21 22:14:23,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:23,010 INFO L225 Difference]: With dead ends: 693 [2023-11-21 22:14:23,010 INFO L226 Difference]: Without dead ends: 557 [2023-11-21 22:14:23,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-21 22:14:23,013 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 521 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 609 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 609 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:23,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 741 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [609 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-21 22:14:23,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-11-21 22:14:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 538. [2023-11-21 22:14:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 345 states have (on average 1.463768115942029) internal successors, (505), 349 states have internal predecessors, (505), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (163), 162 states have call predecessors, (163), 163 states have call successors, (163) [2023-11-21 22:14:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 832 transitions. [2023-11-21 22:14:23,085 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 832 transitions. Word has length 78 [2023-11-21 22:14:23,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:23,086 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 832 transitions. [2023-11-21 22:14:23,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 7 states have internal predecessors, (65), 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) [2023-11-21 22:14:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 832 transitions. [2023-11-21 22:14:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 22:14:23,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:23,091 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:23,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:23,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e02430c-64a1-4a8c-a6ac-09babd71ba5a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:23,313 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:23,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:23,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1752213269, now seen corresponding path program 1 times [2023-11-21 22:14:23,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:23,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094772339] [2023-11-21 22:14:23,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:23,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 22:14:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 22:14:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-21 22:14:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-21 22:14:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-21 22:14:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 22:14:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:14:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-21 22:14:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:23,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:23,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094772339] [2023-11-21 22:14:23,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094772339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:23,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:23,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:23,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413322300] [2023-11-21 22:14:23,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:23,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:23,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:23,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:23,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:23,574 INFO L87 Difference]: Start difference. First operand 538 states and 832 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-21 22:14:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:24,866 INFO L93 Difference]: Finished difference Result 1310 states and 2068 transitions. [2023-11-21 22:14:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 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 84 [2023-11-21 22:14:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:24,873 INFO L225 Difference]: With dead ends: 1310 [2023-11-21 22:14:24,874 INFO L226 Difference]: Without dead ends: 804 [2023-11-21 22:14:24,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:14:24,878 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 360 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:24,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 475 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2023-11-21 22:14:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 795. [2023-11-21 22:14:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 523 states have (on average 1.4875717017208414) internal successors, (778), 527 states have internal predecessors, (778), 243 states have call successors, (243), 28 states have call predecessors, (243), 28 states have return successors, (242), 241 states have call predecessors, (242), 242 states have call successors, (242) [2023-11-21 22:14:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1263 transitions. [2023-11-21 22:14:24,950 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1263 transitions. Word has length 84 [2023-11-21 22:14:24,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:24,950 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1263 transitions. [2023-11-21 22:14:24,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-11-21 22:14:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1263 transitions. [2023-11-21 22:14:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 22:14:24,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:24,956 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:24,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:14:24,956 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:24,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash -58342276, now seen corresponding path program 1 times [2023-11-21 22:14:24,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:24,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695262933] [2023-11-21 22:14:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:24,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-21 22:14:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 22:14:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-21 22:14:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-21 22:14:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-21 22:14:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-21 22:14:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-21 22:14:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-21 22:14:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:25,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:25,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695262933] [2023-11-21 22:14:25,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695262933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:25,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:25,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:25,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570446084] [2023-11-21 22:14:25,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:25,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:25,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:25,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:25,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:25,133 INFO L87 Difference]: Start difference. First operand 795 states and 1263 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-21 22:14:26,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:26,339 INFO L93 Difference]: Finished difference Result 1932 states and 3115 transitions. [2023-11-21 22:14:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:26,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 85 [2023-11-21 22:14:26,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:26,350 INFO L225 Difference]: With dead ends: 1932 [2023-11-21 22:14:26,351 INFO L226 Difference]: Without dead ends: 1199 [2023-11-21 22:14:26,353 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 [2023-11-21 22:14:26,356 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 358 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:26,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 448 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2023-11-21 22:14:26,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1190. [2023-11-21 22:14:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 799 states have (on average 1.4993742177722154) internal successors, (1198), 803 states have internal predecessors, (1198), 362 states have call successors, (362), 28 states have call predecessors, (362), 28 states have return successors, (361), 360 states have call predecessors, (361), 361 states have call successors, (361) [2023-11-21 22:14:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1921 transitions. [2023-11-21 22:14:26,452 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1921 transitions. Word has length 85 [2023-11-21 22:14:26,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:26,453 INFO L495 AbstractCegarLoop]: Abstraction has 1190 states and 1921 transitions. [2023-11-21 22:14:26,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-21 22:14:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1921 transitions. [2023-11-21 22:14:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:14:26,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:26,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:26,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:14:26,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:26,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1878010135, now seen corresponding path program 1 times [2023-11-21 22:14:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760276514] [2023-11-21 22:14:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 22:14:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-21 22:14:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 22:14:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-21 22:14:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-21 22:14:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 22:14:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-21 22:14:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-21 22:14:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:26,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:26,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760276514] [2023-11-21 22:14:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760276514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:26,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503866678] [2023-11-21 22:14:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:26,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:26,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:26,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:26,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:26,634 INFO L87 Difference]: Start difference. First operand 1190 states and 1921 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-21 22:14:27,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:27,787 INFO L93 Difference]: Finished difference Result 2835 states and 4627 transitions. [2023-11-21 22:14:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:27,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 3 states have internal predecessors, (50), 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 86 [2023-11-21 22:14:27,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:27,802 INFO L225 Difference]: With dead ends: 2835 [2023-11-21 22:14:27,802 INFO L226 Difference]: Without dead ends: 1787 [2023-11-21 22:14:27,806 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 [2023-11-21 22:14:27,807 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 356 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:27,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 441 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-21 22:14:27,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2023-11-21 22:14:27,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1778. [2023-11-21 22:14:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1225 states have (on average 1.5069387755102042) internal successors, (1846), 1229 states have internal predecessors, (1846), 524 states have call successors, (524), 28 states have call predecessors, (524), 28 states have return successors, (523), 522 states have call predecessors, (523), 523 states have call successors, (523) [2023-11-21 22:14:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2893 transitions. [2023-11-21 22:14:27,944 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2893 transitions. Word has length 86 [2023-11-21 22:14:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:27,945 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 2893 transitions. [2023-11-21 22:14:27,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-21 22:14:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2893 transitions. [2023-11-21 22:14:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 22:14:27,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:27,954 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:27,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:14:27,955 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:27,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash -536375717, now seen corresponding path program 1 times [2023-11-21 22:14:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:27,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351606756] [2023-11-21 22:14:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:27,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 22:14:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:14:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-21 22:14:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-21 22:14:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 22:14:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-21 22:14:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-21 22:14:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:14:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:28,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:28,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351606756] [2023-11-21 22:14:28,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351606756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:28,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:28,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:28,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305795987] [2023-11-21 22:14:28,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:28,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:28,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:28,119 INFO L87 Difference]: Start difference. First operand 1778 states and 2893 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-21 22:14:29,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:29,374 INFO L93 Difference]: Finished difference Result 4220 states and 6935 transitions. [2023-11-21 22:14:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:29,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 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 87 [2023-11-21 22:14:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:29,396 INFO L225 Difference]: With dead ends: 4220 [2023-11-21 22:14:29,396 INFO L226 Difference]: Without dead ends: 2721 [2023-11-21 22:14:29,403 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 [2023-11-21 22:14:29,403 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 354 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:29,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 441 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:29,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-11-21 22:14:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2712. [2023-11-21 22:14:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 1914 states have (on average 1.5109717868338557) internal successors, (2892), 1918 states have internal predecessors, (2892), 769 states have call successors, (769), 28 states have call predecessors, (769), 28 states have return successors, (768), 767 states have call predecessors, (768), 768 states have call successors, (768) [2023-11-21 22:14:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 4429 transitions. [2023-11-21 22:14:29,650 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 4429 transitions. Word has length 87 [2023-11-21 22:14:29,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:29,651 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 4429 transitions. [2023-11-21 22:14:29,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-21 22:14:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 4429 transitions. [2023-11-21 22:14:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 22:14:29,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:29,663 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:29,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:14:29,664 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:29,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1098425971, now seen corresponding path program 1 times [2023-11-21 22:14:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:29,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636542800] [2023-11-21 22:14:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:29,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 22:14:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:14:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-21 22:14:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:14:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 22:14:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:14:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-21 22:14:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-21 22:14:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:29,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:29,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636542800] [2023-11-21 22:14:29,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636542800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:29,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:29,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:29,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923289692] [2023-11-21 22:14:29,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:29,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:29,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:29,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:29,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:29,827 INFO L87 Difference]: Start difference. First operand 2712 states and 4429 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-11-21 22:14:31,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:31,175 INFO L93 Difference]: Finished difference Result 6736 states and 11095 transitions. [2023-11-21 22:14:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:31,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 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 88 [2023-11-21 22:14:31,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:31,210 INFO L225 Difference]: With dead ends: 6736 [2023-11-21 22:14:31,210 INFO L226 Difference]: Without dead ends: 4446 [2023-11-21 22:14:31,218 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 [2023-11-21 22:14:31,219 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 352 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:31,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 475 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states. [2023-11-21 22:14:31,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 4437. [2023-11-21 22:14:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 3146 states have (on average 1.5019071837253655) internal successors, (4725), 3150 states have internal predecessors, (4725), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 28 states have return successors, (1261), 1260 states have call predecessors, (1261), 1261 states have call successors, (1261) [2023-11-21 22:14:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 7248 transitions. [2023-11-21 22:14:31,552 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 7248 transitions. Word has length 88 [2023-11-21 22:14:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:31,552 INFO L495 AbstractCegarLoop]: Abstraction has 4437 states and 7248 transitions. [2023-11-21 22:14:31,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-11-21 22:14:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 7248 transitions. [2023-11-21 22:14:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-21 22:14:31,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:31,617 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:31,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:14:31,617 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:31,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:31,618 INFO L85 PathProgramCache]: Analyzing trace with hash 900350903, now seen corresponding path program 1 times [2023-11-21 22:14:31,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:31,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470682911] [2023-11-21 22:14:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-21 22:14:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:14:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-21 22:14:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:14:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-21 22:14:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-21 22:14:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-21 22:14:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-21 22:14:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:31,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:31,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470682911] [2023-11-21 22:14:31,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470682911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:31,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:31,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721310749] [2023-11-21 22:14:31,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:31,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:31,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:31,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:31,785 INFO L87 Difference]: Start difference. First operand 4437 states and 7248 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 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) [2023-11-21 22:14:33,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:33,230 INFO L93 Difference]: Finished difference Result 11152 states and 18380 transitions. [2023-11-21 22:14:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:33,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 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 89 [2023-11-21 22:14:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:33,285 INFO L225 Difference]: With dead ends: 11152 [2023-11-21 22:14:33,290 INFO L226 Difference]: Without dead ends: 7403 [2023-11-21 22:14:33,303 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 [2023-11-21 22:14:33,304 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 350 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:33,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 448 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:33,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7403 states. [2023-11-21 22:14:33,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7403 to 7394. [2023-11-21 22:14:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7394 states, 5281 states have (on average 1.4978223821245975) internal successors, (7910), 5285 states have internal predecessors, (7910), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 28 states have return successors, (2083), 2082 states have call predecessors, (2083), 2083 states have call successors, (2083) [2023-11-21 22:14:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7394 states to 7394 states and 12077 transitions. [2023-11-21 22:14:33,958 INFO L78 Accepts]: Start accepts. Automaton has 7394 states and 12077 transitions. Word has length 89 [2023-11-21 22:14:33,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:33,958 INFO L495 AbstractCegarLoop]: Abstraction has 7394 states and 12077 transitions. [2023-11-21 22:14:33,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 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) [2023-11-21 22:14:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7394 states and 12077 transitions. [2023-11-21 22:14:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 22:14:33,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:33,984 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:33,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:14:33,984 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:33,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:33,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1558012737, now seen corresponding path program 1 times [2023-11-21 22:14:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:33,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602970586] [2023-11-21 22:14:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:14:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-21 22:14:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-21 22:14:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-21 22:14:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 22:14:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:14:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-21 22:14:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-21 22:14:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:34,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:34,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602970586] [2023-11-21 22:14:34,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602970586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:34,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:34,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:34,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140418813] [2023-11-21 22:14:34,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:34,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:34,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:34,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:34,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:34,142 INFO L87 Difference]: Start difference. First operand 7394 states and 12077 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 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) [2023-11-21 22:14:35,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:35,742 INFO L93 Difference]: Finished difference Result 18619 states and 30642 transitions. [2023-11-21 22:14:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:35,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 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 90 [2023-11-21 22:14:35,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:35,811 INFO L225 Difference]: With dead ends: 18619 [2023-11-21 22:14:35,812 INFO L226 Difference]: Without dead ends: 12347 [2023-11-21 22:14:35,830 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 [2023-11-21 22:14:35,831 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 348 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:35,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 442 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-21 22:14:35,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12347 states. [2023-11-21 22:14:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12347 to 12338. [2023-11-21 22:14:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12338 states, 9022 states have (on average 1.4997783196630459) internal successors, (13531), 9026 states have internal predecessors, (13531), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 28 states have return successors, (3286), 3285 states have call predecessors, (3286), 3286 states have call successors, (3286) [2023-11-21 22:14:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12338 states to 12338 states and 20104 transitions. [2023-11-21 22:14:36,781 INFO L78 Accepts]: Start accepts. Automaton has 12338 states and 20104 transitions. Word has length 90 [2023-11-21 22:14:36,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:36,781 INFO L495 AbstractCegarLoop]: Abstraction has 12338 states and 20104 transitions. [2023-11-21 22:14:36,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 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) [2023-11-21 22:14:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12338 states and 20104 transitions. [2023-11-21 22:14:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 22:14:36,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:36,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:36,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:14:36,807 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:36,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:36,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1771906954, now seen corresponding path program 1 times [2023-11-21 22:14:36,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:36,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379896336] [2023-11-21 22:14:36,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:14:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-21 22:14:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-21 22:14:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-21 22:14:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-21 22:14:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-21 22:14:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-21 22:14:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:14:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:37,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379896336] [2023-11-21 22:14:37,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379896336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:37,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:37,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:37,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800764579] [2023-11-21 22:14:37,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:37,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:37,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:37,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:37,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:37,012 INFO L87 Difference]: Start difference. First operand 12338 states and 20104 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 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) [2023-11-21 22:14:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:39,099 INFO L93 Difference]: Finished difference Result 32623 states and 53504 transitions. [2023-11-21 22:14:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:39,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 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 91 [2023-11-21 22:14:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:39,192 INFO L225 Difference]: With dead ends: 32623 [2023-11-21 22:14:39,192 INFO L226 Difference]: Without dead ends: 21859 [2023-11-21 22:14:39,227 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 [2023-11-21 22:14:39,228 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 346 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:39,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 442 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-21 22:14:39,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21859 states. [2023-11-21 22:14:40,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21859 to 21850. [2023-11-21 22:14:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21850 states, 16084 states have (on average 1.4924148221835365) internal successors, (24004), 16088 states have internal predecessors, (24004), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 28 states have return successors, (5736), 5735 states have call predecessors, (5736), 5736 states have call successors, (5736) [2023-11-21 22:14:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21850 states to 21850 states and 35477 transitions. [2023-11-21 22:14:40,871 INFO L78 Accepts]: Start accepts. Automaton has 21850 states and 35477 transitions. Word has length 91 [2023-11-21 22:14:40,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:40,873 INFO L495 AbstractCegarLoop]: Abstraction has 21850 states and 35477 transitions. [2023-11-21 22:14:40,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 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) [2023-11-21 22:14:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 21850 states and 35477 transitions. [2023-11-21 22:14:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-21 22:14:40,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:40,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:40,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:14:40,909 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:40,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 440806981, now seen corresponding path program 1 times [2023-11-21 22:14:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300823629] [2023-11-21 22:14:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:14:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 22:14:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:14:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-21 22:14:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:14:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-21 22:14:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:14:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-21 22:14:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:41,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:41,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300823629] [2023-11-21 22:14:41,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300823629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:41,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:41,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:41,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355547025] [2023-11-21 22:14:41,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:41,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:41,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:41,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:41,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:41,099 INFO L87 Difference]: Start difference. First operand 21850 states and 35477 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2023-11-21 22:14:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:43,721 INFO L93 Difference]: Finished difference Result 59310 states and 96756 transitions. [2023-11-21 22:14:43,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:43,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 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 92 [2023-11-21 22:14:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:43,923 INFO L225 Difference]: With dead ends: 59310 [2023-11-21 22:14:43,923 INFO L226 Difference]: Without dead ends: 39629 [2023-11-21 22:14:44,133 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 [2023-11-21 22:14:44,134 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 344 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:44,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 442 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:14:44,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39629 states. [2023-11-21 22:14:46,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39629 to 39620. [2023-11-21 22:14:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39620 states, 29341 states have (on average 1.4818854163116457) internal successors, (43480), 29345 states have internal predecessors, (43480), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 28 states have return successors, (10249), 10248 states have call predecessors, (10249), 10249 states have call successors, (10249) [2023-11-21 22:14:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39620 states to 39620 states and 63979 transitions. [2023-11-21 22:14:46,587 INFO L78 Accepts]: Start accepts. Automaton has 39620 states and 63979 transitions. Word has length 92 [2023-11-21 22:14:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:46,588 INFO L495 AbstractCegarLoop]: Abstraction has 39620 states and 63979 transitions. [2023-11-21 22:14:46,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2023-11-21 22:14:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 39620 states and 63979 transitions. [2023-11-21 22:14:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-21 22:14:46,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:46,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-21 22:14:46,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:14:46,633 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:46,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:46,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1588086774, now seen corresponding path program 1 times [2023-11-21 22:14:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:46,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621606960] [2023-11-21 22:14:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:14:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:14:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:14:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:14:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-21 22:14:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-21 22:14:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:14:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-21 22:14:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-21 22:14:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-21 22:14:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-21 22:14:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-21 22:14:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:14:46,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:46,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621606960] [2023-11-21 22:14:46,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621606960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:46,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:46,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:46,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840786984] [2023-11-21 22:14:46,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:46,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:14:46,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:46,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:46,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:46,793 INFO L87 Difference]: Start difference. First operand 39620 states and 63979 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-21 22:14:50,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:50,810 INFO L93 Difference]: Finished difference Result 73208 states and 118391 transitions. [2023-11-21 22:14:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:14:50,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 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 93 [2023-11-21 22:14:50,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:51,116 INFO L225 Difference]: With dead ends: 73208 [2023-11-21 22:14:51,116 INFO L226 Difference]: Without dead ends: 73072 [2023-11-21 22:14:51,139 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 [2023-11-21 22:14:51,140 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 342 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:51,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 442 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-21 22:14:51,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73072 states.