./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX --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 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:55:11,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:55:11,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:55:11,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:55:11,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:55:11,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:55:11,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:55:11,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:55:11,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:55:11,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:55:11,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:55:11,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:55:11,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:55:11,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:55:11,182 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:55:11,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:55:11,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:55:11,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:55:11,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:55:11,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:55:11,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:55:11,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:55:11,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:55:11,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:55:11,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:55:11,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:55:11,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:55:11,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:55:11,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:55:11,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:55:11,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:55:11,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:55:11,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:55:11,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:55:11,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:55:11,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:55:11,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:55:11,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:55:11,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:55:11,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:55:11,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:55:11,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:55:11,205 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_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 [2024-11-08 17:55:11,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:55:11,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:55:11,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:55:11,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:55:11,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:55:11,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c Unable to find full path for "g++" [2024-11-08 17:55:13,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:55:14,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:55:14,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2024-11-08 17:55:14,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/data/6c5fdc395/8f47b7e3bf0e48f9b22fcfc628b857c9/FLAGe2bfe85cb [2024-11-08 17:55:14,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/data/6c5fdc395/8f47b7e3bf0e48f9b22fcfc628b857c9 [2024-11-08 17:55:14,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:55:14,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:55:14,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:55:14,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:55:14,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:55:14,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:55:14" (1/1) ... [2024-11-08 17:55:14,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5f3b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:14, skipping insertion in model container [2024-11-08 17:55:14,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:55:14" (1/1) ... [2024-11-08 17:55:14,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:55:15,133 WARN L250 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_8201b162-9081-4778-a7b1-e9889a3ca207/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c[57688,57701] [2024-11-08 17:55:15,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:55:15,202 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:55:15,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-08 17:55:15,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [167] [2024-11-08 17:55:15,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [533] [2024-11-08 17:55:15,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [937] [2024-11-08 17:55:15,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1170] [2024-11-08 17:55:15,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2250] [2024-11-08 17:55:15,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2558] [2024-11-08 17:55:15,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2593] [2024-11-08 17:55:15,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2602] [2024-11-08 17:55:15,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2633] [2024-11-08 17:55:15,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2650] [2024-11-08 17:55:15,371 WARN L250 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_8201b162-9081-4778-a7b1-e9889a3ca207/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c[57688,57701] [2024-11-08 17:55:15,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:55:15,444 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:55:15,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15 WrapperNode [2024-11-08 17:55:15,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:55:15,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:55:15,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:55:15,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:55:15,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,553 INFO L138 Inliner]: procedures = 133, calls = 209, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1082 [2024-11-08 17:55:15,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:55:15,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:55:15,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:55:15,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:55:15,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,621 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 17:55:15,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:55:15,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:55:15,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:55:15,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:55:15,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (1/1) ... [2024-11-08 17:55:15,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:55:15,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:15,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:55:15,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:55:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 17:55:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 17:55:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 17:55:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 17:55:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 17:55:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 17:55:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 17:55:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 17:55:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 17:55:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 17:55:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 17:55:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 17:55:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 17:55:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 17:55:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-08 17:55:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-08 17:55:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 17:55:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 17:55:15,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 17:55:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 17:55:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 17:55:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 17:55:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 17:55:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 17:55:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:55:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-08 17:55:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-08 17:55:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 17:55:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 17:55:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 17:55:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 17:55:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 17:55:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 17:55:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 17:55:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 17:55:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-08 17:55:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-08 17:55:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-08 17:55:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-08 17:55:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 17:55:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 17:55:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 17:55:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 17:55:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 17:55:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 17:55:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:55:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:55:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:55:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:55:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 17:55:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 17:55:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 17:55:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 17:55:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:55:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:55:16,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:55:16,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:55:17,527 INFO L? ?]: Removed 561 outVars from TransFormulas that were not future-live. [2024-11-08 17:55:17,527 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:55:17,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:55:17,584 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:55:17,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:55:17 BoogieIcfgContainer [2024-11-08 17:55:17,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:55:17,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:55:17,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:55:17,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:55:17,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:55:14" (1/3) ... [2024-11-08 17:55:17,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f3f416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:55:17, skipping insertion in model container [2024-11-08 17:55:17,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:15" (2/3) ... [2024-11-08 17:55:17,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f3f416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:55:17, skipping insertion in model container [2024-11-08 17:55:17,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:55:17" (3/3) ... [2024-11-08 17:55:17,599 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2024-11-08 17:55:17,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:55:17,621 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:55:17,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:55:17,774 INFO L333 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, 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;@2e44c1b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:55:17,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:55:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 323 states have (on average 1.5572755417956656) internal successors, (503), 326 states have internal predecessors, (503), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 17:55:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:55:17,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:17,820 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:17,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:17,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1357532034, now seen corresponding path program 1 times [2024-11-08 17:55:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:17,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011652354] [2024-11-08 17:55:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:17,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:55:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:55:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:55:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:55:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 17:55:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:55:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:55:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:55:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:55:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:55:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:55:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:55:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:55:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:55:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:55:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:55:18,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011652354] [2024-11-08 17:55:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011652354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:18,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580993464] [2024-11-08 17:55:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:18,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:18,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:55:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:19,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:55:19,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 17:55:19,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:55:19,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580993464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:19,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:19,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 17:55:19,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320777712] [2024-11-08 17:55:19,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:19,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:55:19,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:19,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:55:19,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:55:19,588 INFO L87 Difference]: Start difference. First operand has 411 states, 323 states have (on average 1.5572755417956656) internal successors, (503), 326 states have internal predecessors, (503), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:19,666 INFO L93 Difference]: Finished difference Result 624 states and 936 transitions. [2024-11-08 17:55:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:55:19,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-11-08 17:55:19,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:19,692 INFO L225 Difference]: With dead ends: 624 [2024-11-08 17:55:19,692 INFO L226 Difference]: Without dead ends: 404 [2024-11-08 17:55:19,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:55:19,708 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:19,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:55:19,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-08 17:55:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-08 17:55:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 317 states have (on average 1.5520504731861198) internal successors, (492), 319 states have internal predecessors, (492), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 17:55:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 615 transitions. [2024-11-08 17:55:19,788 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 615 transitions. Word has length 136 [2024-11-08 17:55:19,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:19,797 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 615 transitions. [2024-11-08 17:55:19,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 615 transitions. [2024-11-08 17:55:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 17:55:19,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:19,809 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:19,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:55:20,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 17:55:20,010 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:20,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1470105108, now seen corresponding path program 1 times [2024-11-08 17:55:20,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:20,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366040649] [2024-11-08 17:55:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:20,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:55:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:55:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:55:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:55:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:55:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:55:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:55:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:55:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:55:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:55:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:55:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:55:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 17:55:20,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366040649] [2024-11-08 17:55:20,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366040649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:20,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279173072] [2024-11-08 17:55:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:20,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:20,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:20,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:20,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:55:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:20,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:55:20,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 17:55:21,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:55:21,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279173072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:21,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:21,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 17:55:21,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255128524] [2024-11-08 17:55:21,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:21,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:55:21,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:21,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:55:21,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:55:21,026 INFO L87 Difference]: Start difference. First operand 404 states and 615 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:55:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:21,082 INFO L93 Difference]: Finished difference Result 614 states and 914 transitions. [2024-11-08 17:55:21,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:55:21,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 118 [2024-11-08 17:55:21,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:21,087 INFO L225 Difference]: With dead ends: 614 [2024-11-08 17:55:21,088 INFO L226 Difference]: Without dead ends: 407 [2024-11-08 17:55:21,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:55:21,091 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 1 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:21,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1224 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:55:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-08 17:55:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 406. [2024-11-08 17:55:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 319 states have (on average 1.54858934169279) internal successors, (494), 321 states have internal predecessors, (494), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 17:55:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 617 transitions. [2024-11-08 17:55:21,125 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 617 transitions. Word has length 118 [2024-11-08 17:55:21,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:21,126 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 617 transitions. [2024-11-08 17:55:21,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:55:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 617 transitions. [2024-11-08 17:55:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 17:55:21,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:21,132 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:21,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:55:21,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:21,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:21,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:21,333 INFO L85 PathProgramCache]: Analyzing trace with hash 72266213, now seen corresponding path program 1 times [2024-11-08 17:55:21,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751251326] [2024-11-08 17:55:21,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:55:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:55:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:55:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:55:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:55:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:55:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:55:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:55:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:55:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:55:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:55:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:55:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:55:21,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:21,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751251326] [2024-11-08 17:55:21,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751251326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:21,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589040287] [2024-11-08 17:55:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:21,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:21,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:21,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:55:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:55:22,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 17:55:22,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:55:22,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589040287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:22,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:22,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 17:55:22,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693935608] [2024-11-08 17:55:22,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:22,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:55:22,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:22,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:55:22,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:55:22,331 INFO L87 Difference]: Start difference. First operand 406 states and 617 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:55:22,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:22,417 INFO L93 Difference]: Finished difference Result 865 states and 1334 transitions. [2024-11-08 17:55:22,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:55:22,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2024-11-08 17:55:22,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:22,427 INFO L225 Difference]: With dead ends: 865 [2024-11-08 17:55:22,427 INFO L226 Difference]: Without dead ends: 486 [2024-11-08 17:55:22,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:55:22,434 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 142 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:22,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1186 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:55:22,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-08 17:55:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 478. [2024-11-08 17:55:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 377 states have (on average 1.5676392572944298) internal successors, (591), 379 states have internal predecessors, (591), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-08 17:55:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 742 transitions. [2024-11-08 17:55:22,482 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 742 transitions. Word has length 127 [2024-11-08 17:55:22,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:22,482 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 742 transitions. [2024-11-08 17:55:22,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:55:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 742 transitions. [2024-11-08 17:55:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:55:22,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:22,488 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:22,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:55:22,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:22,689 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:22,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:22,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1788146535, now seen corresponding path program 1 times [2024-11-08 17:55:22,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:22,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103133698] [2024-11-08 17:55:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:22,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:55:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:55:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:55:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:22,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 17:55:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:55:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:55:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:55:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:55:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:55:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:55:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:55:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:55:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:55:23,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:23,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103133698] [2024-11-08 17:55:23,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103133698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:23,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109172236] [2024-11-08 17:55:23,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:23,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:23,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:23,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:23,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:55:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:23,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:55:23,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 17:55:23,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:55:23,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109172236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:23,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:23,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 17:55:23,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403062300] [2024-11-08 17:55:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:23,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:55:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:23,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:55:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:55:23,585 INFO L87 Difference]: Start difference. First operand 478 states and 742 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:55:23,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:23,664 INFO L93 Difference]: Finished difference Result 947 states and 1474 transitions. [2024-11-08 17:55:23,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:55:23,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 128 [2024-11-08 17:55:23,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:23,669 INFO L225 Difference]: With dead ends: 947 [2024-11-08 17:55:23,669 INFO L226 Difference]: Without dead ends: 480 [2024-11-08 17:55:23,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:55:23,673 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 2 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:23,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2417 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:55:23,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-08 17:55:23,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2024-11-08 17:55:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 378 states have (on average 1.566137566137566) internal successors, (592), 381 states have internal predecessors, (592), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-11-08 17:55:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 745 transitions. [2024-11-08 17:55:23,701 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 745 transitions. Word has length 128 [2024-11-08 17:55:23,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:23,702 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 745 transitions. [2024-11-08 17:55:23,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:55:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 745 transitions. [2024-11-08 17:55:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:55:23,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:23,706 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:23,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:55:23,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:23,907 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:23,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:23,908 INFO L85 PathProgramCache]: Analyzing trace with hash 33826469, now seen corresponding path program 1 times [2024-11-08 17:55:23,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:23,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756064623] [2024-11-08 17:55:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:23,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:55:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:55:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:55:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:55:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:55:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:55:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:55:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:55:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:55:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:55:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:55:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 17:55:24,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:24,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756064623] [2024-11-08 17:55:24,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756064623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:24,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975231503] [2024-11-08 17:55:24,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:24,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:24,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:24,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:24,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:55:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:24,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:55:24,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 17:55:24,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:55:24,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975231503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:24,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:24,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 17:55:24,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160009380] [2024-11-08 17:55:24,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:24,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:55:24,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:24,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:55:24,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:55:24,746 INFO L87 Difference]: Start difference. First operand 480 states and 745 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:55:24,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:24,857 INFO L93 Difference]: Finished difference Result 949 states and 1479 transitions. [2024-11-08 17:55:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:55:24,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 129 [2024-11-08 17:55:24,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:24,862 INFO L225 Difference]: With dead ends: 949 [2024-11-08 17:55:24,862 INFO L226 Difference]: Without dead ends: 482 [2024-11-08 17:55:24,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:55:24,868 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 2 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:24,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2403 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:55:24,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-08 17:55:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2024-11-08 17:55:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.5646437994722955) internal successors, (593), 383 states have internal predecessors, (593), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-08 17:55:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 751 transitions. [2024-11-08 17:55:24,905 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 751 transitions. Word has length 129 [2024-11-08 17:55:24,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:24,906 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 751 transitions. [2024-11-08 17:55:24,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:55:24,906 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 751 transitions. [2024-11-08 17:55:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:55:24,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:24,911 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:24,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 17:55:25,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:25,115 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:25,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash -2039550181, now seen corresponding path program 1 times [2024-11-08 17:55:25,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:25,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068227430] [2024-11-08 17:55:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:25,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:55:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:55:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:55:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:55:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:55:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:55:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:55:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:55:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:55:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:55:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:55:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 17:55:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 17:55:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 17:55:25,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:25,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068227430] [2024-11-08 17:55:25,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068227430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:25,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:25,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:55:25,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464345657] [2024-11-08 17:55:25,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:25,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:55:25,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:25,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:55:25,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:55:25,427 INFO L87 Difference]: Start difference. First operand 482 states and 751 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 17:55:29,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:29,051 INFO L93 Difference]: Finished difference Result 1139 states and 1801 transitions. [2024-11-08 17:55:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:55:29,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-08 17:55:29,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:29,062 INFO L225 Difference]: With dead ends: 1139 [2024-11-08 17:55:29,064 INFO L226 Difference]: Without dead ends: 680 [2024-11-08 17:55:29,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:55:29,068 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1377 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 3518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:29,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1401 Invalid, 3518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 3060 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 17:55:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-08 17:55:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 482. [2024-11-08 17:55:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.5646437994722955) internal successors, (593), 383 states have internal predecessors, (593), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-11-08 17:55:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 750 transitions. [2024-11-08 17:55:29,170 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 750 transitions. Word has length 149 [2024-11-08 17:55:29,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:29,171 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 750 transitions. [2024-11-08 17:55:29,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 17:55:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 750 transitions. [2024-11-08 17:55:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:55:29,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:29,176 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:29,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:55:29,177 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:29,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:29,178 INFO L85 PathProgramCache]: Analyzing trace with hash 450430161, now seen corresponding path program 1 times [2024-11-08 17:55:29,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:29,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320051838] [2024-11-08 17:55:29,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:29,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:55:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:55:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:55:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:55:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:55:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:55:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:55:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:55:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:55:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:55:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:55:29,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:29,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320051838] [2024-11-08 17:55:29,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320051838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:29,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:29,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:55:29,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740609550] [2024-11-08 17:55:29,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:29,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:55:29,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:29,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:55:29,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:55:29,522 INFO L87 Difference]: Start difference. First operand 482 states and 750 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:55:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:32,978 INFO L93 Difference]: Finished difference Result 1141 states and 1804 transitions. [2024-11-08 17:55:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:55:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 131 [2024-11-08 17:55:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:32,985 INFO L225 Difference]: With dead ends: 1141 [2024-11-08 17:55:32,986 INFO L226 Difference]: Without dead ends: 682 [2024-11-08 17:55:32,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:55:32,989 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1371 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3096 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 3096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:32,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 1402 Invalid, 3548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 3096 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 17:55:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-08 17:55:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 484. [2024-11-08 17:55:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 380 states have (on average 1.563157894736842) internal successors, (594), 385 states have internal predecessors, (594), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-08 17:55:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 753 transitions. [2024-11-08 17:55:33,047 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 753 transitions. Word has length 131 [2024-11-08 17:55:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:33,048 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 753 transitions. [2024-11-08 17:55:33,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:55:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 753 transitions. [2024-11-08 17:55:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:55:33,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:33,052 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:33,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:55:33,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:33,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:33,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1157552898, now seen corresponding path program 1 times [2024-11-08 17:55:33,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:33,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896968043] [2024-11-08 17:55:33,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:33,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:55:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:55:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:55:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:55:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:55:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:55:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:55:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:55:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:55:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 17:55:33,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:33,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896968043] [2024-11-08 17:55:33,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896968043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:33,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:33,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:55:33,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132133930] [2024-11-08 17:55:33,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:33,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:55:33,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:33,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:55:33,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:55:33,427 INFO L87 Difference]: Start difference. First operand 484 states and 753 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 17:55:37,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:37,766 INFO L93 Difference]: Finished difference Result 1139 states and 1799 transitions. [2024-11-08 17:55:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:55:37,767 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 132 [2024-11-08 17:55:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:37,773 INFO L225 Difference]: With dead ends: 1139 [2024-11-08 17:55:37,773 INFO L226 Difference]: Without dead ends: 682 [2024-11-08 17:55:37,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:55:37,776 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1376 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5135 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 5595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 5135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:37,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 1943 Invalid, 5595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 5135 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-08 17:55:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-08 17:55:37,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 484. [2024-11-08 17:55:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 380 states have (on average 1.563157894736842) internal successors, (594), 385 states have internal predecessors, (594), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-08 17:55:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 752 transitions. [2024-11-08 17:55:37,836 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 752 transitions. Word has length 132 [2024-11-08 17:55:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:37,836 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 752 transitions. [2024-11-08 17:55:37,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 17:55:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 752 transitions. [2024-11-08 17:55:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:55:37,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:37,840 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:37,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:55:37,841 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:37,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:37,841 INFO L85 PathProgramCache]: Analyzing trace with hash 43959716, now seen corresponding path program 2 times [2024-11-08 17:55:37,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:37,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707347348] [2024-11-08 17:55:37,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:37,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:55:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:55:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:55:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:55:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:55:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:55:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:55:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:55:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:55:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 17:55:38,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:38,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707347348] [2024-11-08 17:55:38,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707347348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:38,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:38,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:55:38,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653335013] [2024-11-08 17:55:38,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:38,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:55:38,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:55:38,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:55:38,369 INFO L87 Difference]: Start difference. First operand 484 states and 752 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 17:55:42,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:42,773 INFO L93 Difference]: Finished difference Result 1141 states and 1805 transitions. [2024-11-08 17:55:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:55:42,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 133 [2024-11-08 17:55:42,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:42,779 INFO L225 Difference]: With dead ends: 1141 [2024-11-08 17:55:42,779 INFO L226 Difference]: Without dead ends: 684 [2024-11-08 17:55:42,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:55:42,782 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1373 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5133 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 5593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 5133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:42,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 1943 Invalid, 5593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 5133 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-08 17:55:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-08 17:55:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 486. [2024-11-08 17:55:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 381 states have (on average 1.5616797900262467) internal successors, (595), 387 states have internal predecessors, (595), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-11-08 17:55:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 758 transitions. [2024-11-08 17:55:42,835 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 758 transitions. Word has length 133 [2024-11-08 17:55:42,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:42,836 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 758 transitions. [2024-11-08 17:55:42,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 17:55:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 758 transitions. [2024-11-08 17:55:42,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 17:55:42,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:42,839 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:42,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:55:42,840 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:42,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:42,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1313587739, now seen corresponding path program 1 times [2024-11-08 17:55:42,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:42,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430906854] [2024-11-08 17:55:42,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:42,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:55:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:55:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:55:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:55:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:55:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:55:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:55:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:55:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:55:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:55:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:55:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:55:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 17:55:43,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:43,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430906854] [2024-11-08 17:55:43,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430906854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:43,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500216260] [2024-11-08 17:55:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:43,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:43,194 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:43,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:55:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:43,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:55:43,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:55:43,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:55:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:55:43,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500216260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:55:43,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:55:43,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 17:55:43,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340134858] [2024-11-08 17:55:43,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:55:43,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:55:43,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:43,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:55:43,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:55:43,881 INFO L87 Difference]: Start difference. First operand 486 states and 758 transitions. Second operand has 15 states, 14 states have (on average 11.571428571428571) internal successors, (162), 11 states have internal predecessors, (162), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-08 17:55:48,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:48,446 INFO L93 Difference]: Finished difference Result 1606 states and 2642 transitions. [2024-11-08 17:55:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:55:48,447 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.571428571428571) internal successors, (162), 11 states have internal predecessors, (162), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 153 [2024-11-08 17:55:48,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:48,456 INFO L225 Difference]: With dead ends: 1606 [2024-11-08 17:55:48,456 INFO L226 Difference]: Without dead ends: 1151 [2024-11-08 17:55:48,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 17:55:48,460 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 2728 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 5676 mSolverCounterSat, 858 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2748 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 6534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 858 IncrementalHoareTripleChecker+Valid, 5676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:48,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2748 Valid, 2352 Invalid, 6534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [858 Valid, 5676 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-08 17:55:48,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-08 17:55:48,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 929. [2024-11-08 17:55:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 745 states have (on average 1.6120805369127518) internal successors, (1201), 751 states have internal predecessors, (1201), 155 states have call successors, (155), 24 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-11-08 17:55:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1532 transitions. [2024-11-08 17:55:48,543 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1532 transitions. Word has length 153 [2024-11-08 17:55:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:48,544 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1532 transitions. [2024-11-08 17:55:48,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.571428571428571) internal successors, (162), 11 states have internal predecessors, (162), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-08 17:55:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1532 transitions. [2024-11-08 17:55:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:55:48,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:48,550 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:48,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 17:55:48,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8201b162-9081-4778-a7b1-e9889a3ca207/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 17:55:48,751 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:48,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:48,752 INFO L85 PathProgramCache]: Analyzing trace with hash -513847074, now seen corresponding path program 1 times [2024-11-08 17:55:48,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:48,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008209922] [2024-11-08 17:55:48,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:48,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:55:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:55:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:55:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:55:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:55:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:55:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:55:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:55:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 17:55:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:55:48,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:48,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008209922] [2024-11-08 17:55:48,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008209922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:48,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:48,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:55:48,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127909727] [2024-11-08 17:55:48,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:48,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:55:48,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:48,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:55:48,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:55:48,915 INFO L87 Difference]: Start difference. First operand 929 states and 1532 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:55:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:51,367 INFO L93 Difference]: Finished difference Result 2401 states and 4051 transitions. [2024-11-08 17:55:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:55:51,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-08 17:55:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:51,379 INFO L225 Difference]: With dead ends: 2401 [2024-11-08 17:55:51,379 INFO L226 Difference]: Without dead ends: 1550 [2024-11-08 17:55:51,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:55:51,384 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1512 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:51,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 1078 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 17:55:51,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2024-11-08 17:55:51,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1344. [2024-11-08 17:55:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1081 states have (on average 1.6290471785383904) internal successors, (1761), 1087 states have internal predecessors, (1761), 234 states have call successors, (234), 24 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-11-08 17:55:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 2260 transitions. [2024-11-08 17:55:51,491 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 2260 transitions. Word has length 137 [2024-11-08 17:55:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:51,492 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 2260 transitions. [2024-11-08 17:55:51,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:55:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 2260 transitions. [2024-11-08 17:55:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:55:51,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:51,500 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:51,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:55:51,501 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:51,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1787439977, now seen corresponding path program 1 times [2024-11-08 17:55:51,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:51,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355579646] [2024-11-08 17:55:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:51,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:55:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:55:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:55:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:55:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:55:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:55:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:55:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:55:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 17:55:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 17:55:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:55:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:55:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:55:51,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:51,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355579646] [2024-11-08 17:55:51,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355579646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:51,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:51,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:55:51,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614034949] [2024-11-08 17:55:51,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:51,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:55:51,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:51,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:55:51,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:55:51,711 INFO L87 Difference]: Start difference. First operand 1344 states and 2260 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:53,994 INFO L93 Difference]: Finished difference Result 3440 states and 5864 transitions. [2024-11-08 17:55:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:55:53,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-08 17:55:53,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:54,006 INFO L225 Difference]: With dead ends: 3440 [2024-11-08 17:55:54,006 INFO L226 Difference]: Without dead ends: 2227 [2024-11-08 17:55:54,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:55:54,012 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1506 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:54,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 1025 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 17:55:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2024-11-08 17:55:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2021. [2024-11-08 17:55:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2021 states, 1639 states have (on average 1.636973764490543) internal successors, (2683), 1645 states have internal predecessors, (2683), 353 states have call successors, (353), 24 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-11-08 17:55:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 3420 transitions. [2024-11-08 17:55:54,175 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 3420 transitions. Word has length 157 [2024-11-08 17:55:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:54,176 INFO L471 AbstractCegarLoop]: Abstraction has 2021 states and 3420 transitions. [2024-11-08 17:55:54,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 3420 transitions. [2024-11-08 17:55:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 17:55:54,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:54,186 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:54,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:55:54,186 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:54,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:54,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1386699858, now seen corresponding path program 1 times [2024-11-08 17:55:54,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:54,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957073791] [2024-11-08 17:55:54,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:54,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:55:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:55:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:55:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:55:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:55:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:55:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:55:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:55:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:55:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 17:55:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 17:55:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 17:55:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:55:54,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:54,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957073791] [2024-11-08 17:55:54,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957073791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:54,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:54,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:55:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768085916] [2024-11-08 17:55:54,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:54,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:55:54,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:54,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:55:54,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:55:54,353 INFO L87 Difference]: Start difference. First operand 2021 states and 3420 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:56,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:56,556 INFO L93 Difference]: Finished difference Result 5025 states and 8643 transitions. [2024-11-08 17:55:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:55:56,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-11-08 17:55:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:56,574 INFO L225 Difference]: With dead ends: 5025 [2024-11-08 17:55:56,574 INFO L226 Difference]: Without dead ends: 3270 [2024-11-08 17:55:56,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:55:56,581 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1507 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:56,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 1022 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 17:55:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2024-11-08 17:55:56,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 3064. [2024-11-08 17:55:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 2520 states have (on average 1.6432539682539682) internal successors, (4141), 2526 states have internal predecessors, (4141), 515 states have call successors, (515), 24 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-11-08 17:55:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 5218 transitions. [2024-11-08 17:55:56,749 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 5218 transitions. Word has length 158 [2024-11-08 17:55:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:56,750 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 5218 transitions. [2024-11-08 17:55:56,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 5218 transitions. [2024-11-08 17:55:56,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 17:55:56,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:56,763 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:56,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:55:56,763 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:56,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:56,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1340385992, now seen corresponding path program 1 times [2024-11-08 17:55:56,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:56,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301355544] [2024-11-08 17:55:56,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:56,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:55:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:55:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:55:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:55:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:55:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:55:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:55:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:55:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 17:55:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:55:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:55:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:55:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:55:56,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301355544] [2024-11-08 17:55:56,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301355544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:56,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:56,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:55:56,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165348069] [2024-11-08 17:55:56,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:56,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:55:56,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:55:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:55:56,926 INFO L87 Difference]: Start difference. First operand 3064 states and 5218 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:59,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:59,167 INFO L93 Difference]: Finished difference Result 7539 states and 13058 transitions. [2024-11-08 17:55:59,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:55:59,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-11-08 17:55:59,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:59,198 INFO L225 Difference]: With dead ends: 7539 [2024-11-08 17:55:59,199 INFO L226 Difference]: Without dead ends: 4960 [2024-11-08 17:55:59,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:55:59,209 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1504 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:59,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1023 Invalid, 2262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 17:55:59,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4960 states. [2024-11-08 17:55:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4960 to 4754. [2024-11-08 17:55:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 3965 states have (on average 1.6476670870113492) internal successors, (6533), 3971 states have internal predecessors, (6533), 760 states have call successors, (760), 24 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-11-08 17:55:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 8126 transitions. [2024-11-08 17:55:59,526 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 8126 transitions. Word has length 159 [2024-11-08 17:55:59,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:59,527 INFO L471 AbstractCegarLoop]: Abstraction has 4754 states and 8126 transitions. [2024-11-08 17:55:59,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:55:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 8126 transitions. [2024-11-08 17:55:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:55:59,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:59,543 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:55:59,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:55:59,543 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:59,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:59,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1630427288, now seen corresponding path program 1 times [2024-11-08 17:55:59,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:59,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596184962] [2024-11-08 17:55:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:55:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:55:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:55:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:55:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:55:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:55:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:55:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:55:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:55:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:55:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:55:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:55:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:55:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:55:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:55:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:55:59,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:55:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596184962] [2024-11-08 17:55:59,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596184962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:59,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:59,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:55:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295061142] [2024-11-08 17:55:59,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:59,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:55:59,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:55:59,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:55:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:55:59,701 INFO L87 Difference]: Start difference. First operand 4754 states and 8126 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:56:02,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:02,384 INFO L93 Difference]: Finished difference Result 11740 states and 20435 transitions. [2024-11-08 17:56:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:56:02,385 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-11-08 17:56:02,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:02,445 INFO L225 Difference]: With dead ends: 11740 [2024-11-08 17:56:02,445 INFO L226 Difference]: Without dead ends: 7803 [2024-11-08 17:56:02,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:02,466 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1504 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:02,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 1039 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 17:56:02,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7803 states. [2024-11-08 17:56:03,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7803 to 7597. [2024-11-08 17:56:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7597 states, 6315 states have (on average 1.645605700712589) internal successors, (10392), 6321 states have internal predecessors, (10392), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-11-08 17:56:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7597 states to 7597 states and 13015 transitions. [2024-11-08 17:56:03,080 INFO L78 Accepts]: Start accepts. Automaton has 7597 states and 13015 transitions. Word has length 141 [2024-11-08 17:56:03,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:03,081 INFO L471 AbstractCegarLoop]: Abstraction has 7597 states and 13015 transitions. [2024-11-08 17:56:03,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:56:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 7597 states and 13015 transitions. [2024-11-08 17:56:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 17:56:03,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:03,109 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:03,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:56:03,109 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:03,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1384917498, now seen corresponding path program 1 times [2024-11-08 17:56:03,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:03,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275820591] [2024-11-08 17:56:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:56:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:56:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:56:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:56:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:56:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:56:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:56:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:56:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:56:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:56:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:56:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:56:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:56:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:56:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:56:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 17:56:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:56:03,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:56:03,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275820591] [2024-11-08 17:56:03,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275820591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:03,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:03,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:56:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617971373] [2024-11-08 17:56:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:03,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:56:03,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:03,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:56:03,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:56:03,301 INFO L87 Difference]: Start difference. First operand 7597 states and 13015 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:56:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:05,961 INFO L93 Difference]: Finished difference Result 19355 states and 33711 transitions. [2024-11-08 17:56:05,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:56:05,963 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-08 17:56:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:06,027 INFO L225 Difference]: With dead ends: 19355 [2024-11-08 17:56:06,028 INFO L226 Difference]: Without dead ends: 12977 [2024-11-08 17:56:06,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:06,052 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1498 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:06,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 1032 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 17:56:06,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12977 states. [2024-11-08 17:56:06,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12977 to 12771. [2024-11-08 17:56:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12771 states, 10667 states have (on average 1.6457298209430955) internal successors, (17555), 10673 states have internal predecessors, (17555), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-11-08 17:56:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12771 states to 12771 states and 21900 transitions. [2024-11-08 17:56:06,766 INFO L78 Accepts]: Start accepts. Automaton has 12771 states and 21900 transitions. Word has length 142 [2024-11-08 17:56:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:06,767 INFO L471 AbstractCegarLoop]: Abstraction has 12771 states and 21900 transitions. [2024-11-08 17:56:06,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:56:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 12771 states and 21900 transitions. [2024-11-08 17:56:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 17:56:06,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:06,806 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:56:06,806 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:06,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:06,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1376944344, now seen corresponding path program 1 times [2024-11-08 17:56:06,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:06,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422716257] [2024-11-08 17:56:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:06,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:56:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:56:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:56:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:56:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:56:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:56:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:56:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:56:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:56:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:56:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:56:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:56:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:56:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:56:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:56:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 17:56:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 17:56:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 17:56:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 17:56:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:56:06,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:56:06,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422716257] [2024-11-08 17:56:06,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422716257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:06,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:06,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:56:06,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463264915] [2024-11-08 17:56:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:06,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:56:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:56:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:56:06,976 INFO L87 Difference]: Start difference. First operand 12771 states and 21900 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:09,859 INFO L93 Difference]: Finished difference Result 30838 states and 53411 transitions. [2024-11-08 17:56:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:56:09,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-08 17:56:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:09,953 INFO L225 Difference]: With dead ends: 30838 [2024-11-08 17:56:09,953 INFO L226 Difference]: Without dead ends: 20290 [2024-11-08 17:56:09,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:09,985 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1499 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:09,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 999 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 17:56:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20290 states. [2024-11-08 17:56:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20290 to 20084. [2024-11-08 17:56:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20084 states, 16777 states have (on average 1.621326816474936) internal successors, (27201), 16783 states have internal predecessors, (27201), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-11-08 17:56:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20084 states to 20084 states and 34096 transitions. [2024-11-08 17:56:11,057 INFO L78 Accepts]: Start accepts. Automaton has 20084 states and 34096 transitions. Word has length 162 [2024-11-08 17:56:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:11,057 INFO L471 AbstractCegarLoop]: Abstraction has 20084 states and 34096 transitions. [2024-11-08 17:56:11,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 20084 states and 34096 transitions. [2024-11-08 17:56:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 17:56:11,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:11,091 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:11,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:56:11,092 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:11,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:11,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1003037, now seen corresponding path program 1 times [2024-11-08 17:56:11,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:11,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964196491] [2024-11-08 17:56:11,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:11,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:56:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:56:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:56:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:56:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:56:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:56:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:56:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:56:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:56:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:56:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:56:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:56:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:56:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:56:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 17:56:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 17:56:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:56:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 17:56:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 17:56:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:56:11,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:56:11,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964196491] [2024-11-08 17:56:11,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964196491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:11,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:11,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:56:11,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605094418] [2024-11-08 17:56:11,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:11,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:56:11,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:56:11,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:56:11,264 INFO L87 Difference]: Start difference. First operand 20084 states and 34096 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:14,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:14,838 INFO L93 Difference]: Finished difference Result 53280 states and 91945 transitions. [2024-11-08 17:56:14,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:56:14,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-08 17:56:14,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:14,997 INFO L225 Difference]: With dead ends: 53280 [2024-11-08 17:56:14,997 INFO L226 Difference]: Without dead ends: 36096 [2024-11-08 17:56:15,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:15,130 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1498 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:15,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 1024 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [536 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:56:15,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36096 states. [2024-11-08 17:56:16,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36096 to 35890. [2024-11-08 17:56:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35890 states, 30133 states have (on average 1.6182590515381807) internal successors, (48763), 30139 states have internal predecessors, (48763), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-11-08 17:56:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35890 states to 35890 states and 60832 transitions. [2024-11-08 17:56:16,880 INFO L78 Accepts]: Start accepts. Automaton has 35890 states and 60832 transitions. Word has length 163 [2024-11-08 17:56:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:16,882 INFO L471 AbstractCegarLoop]: Abstraction has 35890 states and 60832 transitions. [2024-11-08 17:56:16,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 35890 states and 60832 transitions. [2024-11-08 17:56:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 17:56:16,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:16,929 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:16,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:56:16,930 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:16,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:16,930 INFO L85 PathProgramCache]: Analyzing trace with hash -2108830418, now seen corresponding path program 1 times [2024-11-08 17:56:16,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:16,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396326181] [2024-11-08 17:56:16,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:56:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:56:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:56:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:56:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:56:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:56:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:56:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:56:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:56:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:56:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:56:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:56:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:56:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:56:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:56:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 17:56:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:56:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 17:56:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 17:56:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:56:17,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:56:17,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396326181] [2024-11-08 17:56:17,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396326181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:17,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:17,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:56:17,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948856306] [2024-11-08 17:56:17,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:17,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:56:17,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:17,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:56:17,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:56:17,092 INFO L87 Difference]: Start difference. First operand 35890 states and 60832 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:21,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:21,633 INFO L93 Difference]: Finished difference Result 98127 states and 168504 transitions. [2024-11-08 17:56:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:56:21,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-08 17:56:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:21,914 INFO L225 Difference]: With dead ends: 98127 [2024-11-08 17:56:21,914 INFO L226 Difference]: Without dead ends: 66093 [2024-11-08 17:56:22,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:22,001 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1494 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1739 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:22,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 1029 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1739 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 17:56:22,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66093 states. [2024-11-08 17:56:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66093 to 65887. [2024-11-08 17:56:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65887 states, 55617 states have (on average 1.6141827139184062) internal successors, (89776), 55623 states have internal predecessors, (89776), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-11-08 17:56:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65887 states to 65887 states and 111403 transitions. [2024-11-08 17:56:26,133 INFO L78 Accepts]: Start accepts. Automaton has 65887 states and 111403 transitions. Word has length 164 [2024-11-08 17:56:26,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:26,136 INFO L471 AbstractCegarLoop]: Abstraction has 65887 states and 111403 transitions. [2024-11-08 17:56:26,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 65887 states and 111403 transitions. [2024-11-08 17:56:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 17:56:26,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:26,193 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:26,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 17:56:26,194 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:26,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:26,194 INFO L85 PathProgramCache]: Analyzing trace with hash 109544219, now seen corresponding path program 1 times [2024-11-08 17:56:26,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:26,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759829985] [2024-11-08 17:56:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:56:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:56:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:56:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:56:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:56:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:56:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:56:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:56:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:56:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:56:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:56:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:56:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:56:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:56:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:56:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:56:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:56:26,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:56:26,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759829985] [2024-11-08 17:56:26,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759829985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:26,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:26,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:56:26,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118790120] [2024-11-08 17:56:26,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:26,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:56:26,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:26,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:56:26,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:56:26,359 INFO L87 Difference]: Start difference. First operand 65887 states and 111403 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:56:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:31,686 INFO L93 Difference]: Finished difference Result 123788 states and 212937 transitions. [2024-11-08 17:56:31,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:56:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 146 [2024-11-08 17:56:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:32,383 INFO L225 Difference]: With dead ends: 123788 [2024-11-08 17:56:32,383 INFO L226 Difference]: Without dead ends: 123581 [2024-11-08 17:56:32,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:32,429 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1490 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:32,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 1065 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 17:56:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123581 states. [2024-11-08 17:56:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123581 to 123375. [2024-11-08 17:56:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123375 states, 104737 states have (on average 1.6090588808157575) internal successors, (168528), 104743 states have internal predecessors, (168528), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-11-08 17:56:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123375 states to 123375 states and 207937 transitions. [2024-11-08 17:56:38,312 INFO L78 Accepts]: Start accepts. Automaton has 123375 states and 207937 transitions. Word has length 146 [2024-11-08 17:56:38,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:38,313 INFO L471 AbstractCegarLoop]: Abstraction has 123375 states and 207937 transitions. [2024-11-08 17:56:38,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:56:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 123375 states and 207937 transitions. [2024-11-08 17:56:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 17:56:38,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:38,381 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:56:38,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 17:56:38,382 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:38,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:38,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1526356591, now seen corresponding path program 1 times [2024-11-08 17:56:38,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:56:38,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786069738] [2024-11-08 17:56:38,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:56:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:56:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:56:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:56:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:56:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:56:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:56:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:56:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:56:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:56:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:56:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:56:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:56:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:56:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:56:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:56:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:56:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 17:56:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:56:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 17:56:38,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:56:38,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786069738] [2024-11-08 17:56:38,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786069738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:38,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:38,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:56:38,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528310439] [2024-11-08 17:56:38,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:38,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:56:38,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:56:38,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:56:38,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:56:38,670 INFO L87 Difference]: Start difference. First operand 123375 states and 207937 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:56:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:49,777 INFO L93 Difference]: Finished difference Result 237493 states and 408162 transitions. [2024-11-08 17:56:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 17:56:49,777 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2024-11-08 17:56:49,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:50,839 INFO L225 Difference]: With dead ends: 237493 [2024-11-08 17:56:50,839 INFO L226 Difference]: Without dead ends: 237294 [2024-11-08 17:56:50,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:56:50,904 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 3108 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 3890 mSolverCounterSat, 977 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3125 SdHoareTripleChecker+Valid, 1778 SdHoareTripleChecker+Invalid, 4867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 977 IncrementalHoareTripleChecker+Valid, 3890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:50,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3125 Valid, 1778 Invalid, 4867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [977 Valid, 3890 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-08 17:56:51,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237294 states.