./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:53:08,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:53:08,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:53:08,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:53:08,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:53:08,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:53:08,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:53:08,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:53:08,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:53:08,823 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:53:08,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:53:08,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:53:08,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:53:08,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:53:08,826 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:53:08,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:53:08,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:53:08,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:53:08,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:53:08,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:53:08,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:53:08,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:53:08,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:53:08,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:53:08,835 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:53:08,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:53:08,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:53:08,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:53:08,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:53:08,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:53:08,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:53:08,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:53:08,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:53:08,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:53:08,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:53:08,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:53:08,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:53:08,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:53:08,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:53:08,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:53:08,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:53:08,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:53:08,840 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_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 [2023-11-29 06:53:09,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:53:09,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:53:09,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:53:09,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:53:09,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:53:09,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2023-11-29 06:53:11,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:53:12,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:53:12,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2023-11-29 06:53:12,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/data/ce8ecef9d/c1bb063b4932415a8451a6edf222580e/FLAGcda91dc74 [2023-11-29 06:53:12,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/data/ce8ecef9d/c1bb063b4932415a8451a6edf222580e [2023-11-29 06:53:12,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:53:12,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:53:12,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:12,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:53:12,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:53:12,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edef6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12, skipping insertion in model container [2023-11-29 06:53:12,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:53:12,885 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2023-11-29 06:53:12,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:13,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:53:13,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2023-11-29 06:53:13,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2023-11-29 06:53:13,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [826] [2023-11-29 06:53:13,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] [2023-11-29 06:53:13,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1044] [2023-11-29 06:53:13,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1242] [2023-11-29 06:53:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1251] [2023-11-29 06:53:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2325] [2023-11-29 06:53:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2342] [2023-11-29 06:53:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2581] [2023-11-29 06:53:13,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2601] [2023-11-29 06:53:13,058 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2023-11-29 06:53:13,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:13,115 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:53:13,123 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:53:13,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13 WrapperNode [2023-11-29 06:53:13,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:13,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:13,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:53:13,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:53:13,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,199 INFO L138 Inliner]: procedures = 113, calls = 154, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 725 [2023-11-29 06:53:13,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:13,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:53:13,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:53:13,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:53:13,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,241 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2023-11-29 06:53:13,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:53:13,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:53:13,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:53:13,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:53:13,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (1/1) ... [2023-11-29 06:53:13,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:53:13,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:13,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:13,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:53:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-29 06:53:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-29 06:53:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-29 06:53:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-29 06:53:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-29 06:53:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-29 06:53:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-11-29 06:53:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-11-29 06:53:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-29 06:53:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-29 06:53:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-29 06:53:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-29 06:53:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 06:53:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-29 06:53:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-29 06:53:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-11-29 06:53:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-11-29 06:53:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-29 06:53:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-29 06:53:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:53:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-29 06:53:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-29 06:53:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-29 06:53:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-29 06:53:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-29 06:53:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-29 06:53:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-29 06:53:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-29 06:53:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:53:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:53:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-29 06:53:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-29 06:53:13,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:53:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:53:13,537 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:53:13,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:53:14,059 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:53:14,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:53:14,120 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:53:14,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:14 BoogieIcfgContainer [2023-11-29 06:53:14,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:53:14,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:53:14,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:53:14,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:53:14,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:53:12" (1/3) ... [2023-11-29 06:53:14,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e850c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:53:14, skipping insertion in model container [2023-11-29 06:53:14,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:13" (2/3) ... [2023-11-29 06:53:14,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e850c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:53:14, skipping insertion in model container [2023-11-29 06:53:14,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:14" (3/3) ... [2023-11-29 06:53:14,129 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2023-11-29 06:53:14,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:53:14,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:53:14,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:53:14,199 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fb52f14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:53:14,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:53:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 161 states have (on average 1.6335403726708075) internal successors, (263), 164 states have internal predecessors, (263), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 06:53:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 06:53:14,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:14,220 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:14,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:14,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:14,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1314598513, now seen corresponding path program 1 times [2023-11-29 06:53:14,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:14,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427629970] [2023-11-29 06:53:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:53:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 06:53:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:53:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 06:53:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:53:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 06:53:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 06:53:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 06:53:14,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:14,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427629970] [2023-11-29 06:53:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427629970] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:14,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591729043] [2023-11-29 06:53:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:14,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:14,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:14,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:14,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:53:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:53:15,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 06:53:15,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:15,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591729043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:15,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:15,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2023-11-29 06:53:15,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410779146] [2023-11-29 06:53:15,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:15,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:53:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:15,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:53:15,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:15,153 INFO L87 Difference]: Start difference. First operand has 208 states, 161 states have (on average 1.6335403726708075) internal successors, (263), 164 states have internal predecessors, (263), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:15,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:15,225 INFO L93 Difference]: Finished difference Result 331 states and 506 transitions. [2023-11-29 06:53:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:53:15,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2023-11-29 06:53:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:15,242 INFO L225 Difference]: With dead ends: 331 [2023-11-29 06:53:15,242 INFO L226 Difference]: Without dead ends: 205 [2023-11-29 06:53:15,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:15,251 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:15,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:15,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-11-29 06:53:15,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2023-11-29 06:53:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 159 states have (on average 1.610062893081761) internal successors, (256), 161 states have internal predecessors, (256), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:53:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 317 transitions. [2023-11-29 06:53:15,309 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 317 transitions. Word has length 69 [2023-11-29 06:53:15,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:15,310 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 317 transitions. [2023-11-29 06:53:15,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 317 transitions. [2023-11-29 06:53:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 06:53:15,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:15,314 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:15,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:15,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:15,515 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:15,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:15,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1179799772, now seen corresponding path program 1 times [2023-11-29 06:53:15,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:15,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226104309] [2023-11-29 06:53:15,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:15,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:53:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 06:53:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:53:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 06:53:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 06:53:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:53:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:53:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 06:53:15,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:15,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226104309] [2023-11-29 06:53:15,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226104309] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:15,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051116752] [2023-11-29 06:53:15,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:15,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:15,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:15,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:53:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:16,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 06:53:16,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:16,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051116752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:16,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:16,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-29 06:53:16,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234590923] [2023-11-29 06:53:16,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:16,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:16,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:16,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:16,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:53:16,035 INFO L87 Difference]: Start difference. First operand 205 states and 317 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:16,096 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2023-11-29 06:53:16,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:16,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2023-11-29 06:53:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:16,099 INFO L225 Difference]: With dead ends: 327 [2023-11-29 06:53:16,100 INFO L226 Difference]: Without dead ends: 207 [2023-11-29 06:53:16,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:53:16,102 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:16,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:16,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-29 06:53:16,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-11-29 06:53:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 161 states have (on average 1.6024844720496894) internal successors, (258), 163 states have internal predecessors, (258), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:53:16,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 319 transitions. [2023-11-29 06:53:16,124 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 319 transitions. Word has length 70 [2023-11-29 06:53:16,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:16,125 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 319 transitions. [2023-11-29 06:53:16,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 319 transitions. [2023-11-29 06:53:16,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 06:53:16,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:16,129 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:16,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:53:16,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:16,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:16,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:16,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1528074415, now seen corresponding path program 1 times [2023-11-29 06:53:16,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:16,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575558461] [2023-11-29 06:53:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:16,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 06:53:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:53:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 06:53:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:53:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:53:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:53:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:53:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:16,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:16,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575558461] [2023-11-29 06:53:16,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575558461] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:16,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031148438] [2023-11-29 06:53:16,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:16,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:16,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:16,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:16,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:53:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:53:16,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 06:53:16,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:16,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031148438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:16,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:16,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-29 06:53:16,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257224889] [2023-11-29 06:53:16,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:16,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:53:16,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:16,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:53:16,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:53:16,867 INFO L87 Difference]: Start difference. First operand 207 states and 319 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-29 06:53:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:16,993 INFO L93 Difference]: Finished difference Result 411 states and 635 transitions. [2023-11-29 06:53:16,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:53:16,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 74 [2023-11-29 06:53:16,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:16,997 INFO L225 Difference]: With dead ends: 411 [2023-11-29 06:53:16,997 INFO L226 Difference]: Without dead ends: 209 [2023-11-29 06:53:16,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:53:17,000 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 8 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:17,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1165 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-29 06:53:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2023-11-29 06:53:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 162 states have (on average 1.5987654320987654) internal successors, (259), 165 states have internal predecessors, (259), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (32), 29 states have call predecessors, (32), 30 states have call successors, (32) [2023-11-29 06:53:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 322 transitions. [2023-11-29 06:53:17,019 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 322 transitions. Word has length 74 [2023-11-29 06:53:17,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:17,020 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 322 transitions. [2023-11-29 06:53:17,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-29 06:53:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 322 transitions. [2023-11-29 06:53:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 06:53:17,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:17,024 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:17,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:53:17,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:17,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:17,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:17,230 INFO L85 PathProgramCache]: Analyzing trace with hash 883553871, now seen corresponding path program 1 times [2023-11-29 06:53:17,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:17,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923023085] [2023-11-29 06:53:17,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:53:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 06:53:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:53:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 06:53:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:53:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:53:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:17,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:17,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923023085] [2023-11-29 06:53:17,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923023085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:17,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:17,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:53:17,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758691325] [2023-11-29 06:53:17,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:17,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:53:17,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:17,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:53:17,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:17,424 INFO L87 Difference]: Start difference. First operand 209 states and 322 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-29 06:53:18,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:18,858 INFO L93 Difference]: Finished difference Result 527 states and 847 transitions. [2023-11-29 06:53:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:53:18,859 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 75 [2023-11-29 06:53:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:18,862 INFO L225 Difference]: With dead ends: 527 [2023-11-29 06:53:18,862 INFO L226 Difference]: Without dead ends: 333 [2023-11-29 06:53:18,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:53:18,864 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 520 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:18,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 654 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:53:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-11-29 06:53:18,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 209. [2023-11-29 06:53:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 162 states have (on average 1.5987654320987654) internal successors, (259), 165 states have internal predecessors, (259), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2023-11-29 06:53:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 321 transitions. [2023-11-29 06:53:18,905 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 321 transitions. Word has length 75 [2023-11-29 06:53:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:18,906 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 321 transitions. [2023-11-29 06:53:18,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-29 06:53:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 321 transitions. [2023-11-29 06:53:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 06:53:18,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:18,908 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:18,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:53:18,909 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:18,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:18,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2113327819, now seen corresponding path program 2 times [2023-11-29 06:53:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:18,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108156907] [2023-11-29 06:53:18,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:18,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 06:53:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 06:53:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:53:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:53:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 06:53:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:53:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:19,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:19,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108156907] [2023-11-29 06:53:19,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108156907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:19,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:19,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:53:19,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697648037] [2023-11-29 06:53:19,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:19,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:53:19,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:19,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:53:19,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:19,063 INFO L87 Difference]: Start difference. First operand 209 states and 321 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-29 06:53:20,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:20,453 INFO L93 Difference]: Finished difference Result 529 states and 850 transitions. [2023-11-29 06:53:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:53:20,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 76 [2023-11-29 06:53:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:20,458 INFO L225 Difference]: With dead ends: 529 [2023-11-29 06:53:20,458 INFO L226 Difference]: Without dead ends: 335 [2023-11-29 06:53:20,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:53:20,461 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 516 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 1914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:20,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 653 Invalid, 1914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:53:20,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-11-29 06:53:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 211. [2023-11-29 06:53:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 163 states have (on average 1.5950920245398772) internal successors, (260), 167 states have internal predecessors, (260), 31 states have call successors, (31), 14 states have call predecessors, (31), 16 states have return successors, (33), 29 states have call predecessors, (33), 30 states have call successors, (33) [2023-11-29 06:53:20,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 324 transitions. [2023-11-29 06:53:20,491 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 324 transitions. Word has length 76 [2023-11-29 06:53:20,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:20,491 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 324 transitions. [2023-11-29 06:53:20,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-29 06:53:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 324 transitions. [2023-11-29 06:53:20,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 06:53:20,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:20,494 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:20,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:53:20,494 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:20,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1590540630, now seen corresponding path program 1 times [2023-11-29 06:53:20,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:20,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045389306] [2023-11-29 06:53:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 06:53:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 06:53:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 06:53:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 06:53:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:53:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:53:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:20,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045389306] [2023-11-29 06:53:20,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045389306] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731907067] [2023-11-29 06:53:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:20,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:20,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:20,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:53:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:20,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:20,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:20,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:20,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731907067] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:20,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:20,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2023-11-29 06:53:20,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768240799] [2023-11-29 06:53:20,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:20,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:53:20,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:20,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:53:20,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:20,976 INFO L87 Difference]: Start difference. First operand 211 states and 324 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 06:53:22,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:22,269 INFO L93 Difference]: Finished difference Result 620 states and 1027 transitions. [2023-11-29 06:53:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:53:22,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2023-11-29 06:53:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:22,275 INFO L225 Difference]: With dead ends: 620 [2023-11-29 06:53:22,275 INFO L226 Difference]: Without dead ends: 500 [2023-11-29 06:53:22,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:53:22,277 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 852 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:22,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 833 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:53:22,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-11-29 06:53:22,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 361. [2023-11-29 06:53:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 304 states have (on average 1.7138157894736843) internal successors, (521), 308 states have internal predecessors, (521), 40 states have call successors, (40), 14 states have call predecessors, (40), 16 states have return successors, (42), 38 states have call predecessors, (42), 39 states have call successors, (42) [2023-11-29 06:53:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 603 transitions. [2023-11-29 06:53:22,305 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 603 transitions. Word has length 77 [2023-11-29 06:53:22,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:22,305 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 603 transitions. [2023-11-29 06:53:22,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 06:53:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 603 transitions. [2023-11-29 06:53:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 06:53:22,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:22,307 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:22,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:53:22,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 06:53:22,509 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:22,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1150655043, now seen corresponding path program 1 times [2023-11-29 06:53:22,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:22,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864541454] [2023-11-29 06:53:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:22,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 06:53:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:53:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 06:53:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 06:53:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:53:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:53:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:22,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:22,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864541454] [2023-11-29 06:53:22,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864541454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:22,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:22,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108892504] [2023-11-29 06:53:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:22,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:22,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:22,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:22,609 INFO L87 Difference]: Start difference. First operand 361 states and 603 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:23,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:23,645 INFO L93 Difference]: Finished difference Result 978 states and 1685 transitions. [2023-11-29 06:53:23,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:23,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-11-29 06:53:23,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:23,651 INFO L225 Difference]: With dead ends: 978 [2023-11-29 06:53:23,651 INFO L226 Difference]: Without dead ends: 639 [2023-11-29 06:53:23,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:23,653 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 597 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:23,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 469 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:53:23,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-29 06:53:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 510. [2023-11-29 06:53:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 444 states have (on average 1.7454954954954955) internal successors, (775), 448 states have internal predecessors, (775), 49 states have call successors, (49), 14 states have call predecessors, (49), 16 states have return successors, (51), 47 states have call predecessors, (51), 48 states have call successors, (51) [2023-11-29 06:53:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 875 transitions. [2023-11-29 06:53:23,691 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 875 transitions. Word has length 84 [2023-11-29 06:53:23,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:23,692 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 875 transitions. [2023-11-29 06:53:23,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 875 transitions. [2023-11-29 06:53:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 06:53:23,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:23,695 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:23,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:53:23,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:23,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:23,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1320008002, now seen corresponding path program 1 times [2023-11-29 06:53:23,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:23,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360245089] [2023-11-29 06:53:23,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:23,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 06:53:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 06:53:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:53:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 06:53:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:53:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 06:53:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:23,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:23,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360245089] [2023-11-29 06:53:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360245089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:23,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:23,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:23,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118848763] [2023-11-29 06:53:23,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:23,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:23,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:23,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:23,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:23,789 INFO L87 Difference]: Start difference. First operand 510 states and 875 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:24,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:24,868 INFO L93 Difference]: Finished difference Result 1339 states and 2347 transitions. [2023-11-29 06:53:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:24,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2023-11-29 06:53:24,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:24,876 INFO L225 Difference]: With dead ends: 1339 [2023-11-29 06:53:24,876 INFO L226 Difference]: Without dead ends: 866 [2023-11-29 06:53:24,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:24,879 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 593 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:24,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 460 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:53:24,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-11-29 06:53:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 737. [2023-11-29 06:53:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 656 states have (on average 1.763719512195122) internal successors, (1157), 660 states have internal predecessors, (1157), 64 states have call successors, (64), 14 states have call predecessors, (64), 16 states have return successors, (66), 62 states have call predecessors, (66), 63 states have call successors, (66) [2023-11-29 06:53:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1287 transitions. [2023-11-29 06:53:24,923 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1287 transitions. Word has length 85 [2023-11-29 06:53:24,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:24,923 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 1287 transitions. [2023-11-29 06:53:24,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1287 transitions. [2023-11-29 06:53:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 06:53:24,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:24,928 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:24,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:53:24,928 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:24,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:24,928 INFO L85 PathProgramCache]: Analyzing trace with hash 572818751, now seen corresponding path program 1 times [2023-11-29 06:53:24,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:24,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000484553] [2023-11-29 06:53:24,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:24,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 06:53:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 06:53:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 06:53:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:53:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:53:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:53:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:25,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:25,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000484553] [2023-11-29 06:53:25,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000484553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:25,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:25,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:25,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012982467] [2023-11-29 06:53:25,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:25,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:25,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:25,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:25,047 INFO L87 Difference]: Start difference. First operand 737 states and 1287 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:26,029 INFO L93 Difference]: Finished difference Result 1931 states and 3422 transitions. [2023-11-29 06:53:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:26,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2023-11-29 06:53:26,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:26,040 INFO L225 Difference]: With dead ends: 1931 [2023-11-29 06:53:26,040 INFO L226 Difference]: Without dead ends: 1248 [2023-11-29 06:53:26,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:26,044 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 592 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:26,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 466 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:26,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2023-11-29 06:53:26,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1119. [2023-11-29 06:53:26,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1014 states have (on average 1.7692307692307692) internal successors, (1794), 1018 states have internal predecessors, (1794), 88 states have call successors, (88), 14 states have call predecessors, (88), 16 states have return successors, (90), 86 states have call predecessors, (90), 87 states have call successors, (90) [2023-11-29 06:53:26,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1972 transitions. [2023-11-29 06:53:26,105 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1972 transitions. Word has length 86 [2023-11-29 06:53:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:26,106 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1972 transitions. [2023-11-29 06:53:26,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1972 transitions. [2023-11-29 06:53:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 06:53:26,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:26,132 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:26,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:53:26,132 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:26,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash -81189676, now seen corresponding path program 1 times [2023-11-29 06:53:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:26,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837525385] [2023-11-29 06:53:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 06:53:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:53:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:53:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 06:53:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 06:53:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 06:53:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:26,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837525385] [2023-11-29 06:53:26,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837525385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:26,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:26,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:26,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736981910] [2023-11-29 06:53:26,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:26,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:26,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:26,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:26,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:26,236 INFO L87 Difference]: Start difference. First operand 1119 states and 1972 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:27,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:27,288 INFO L93 Difference]: Finished difference Result 2886 states and 5143 transitions. [2023-11-29 06:53:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:27,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 87 [2023-11-29 06:53:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:27,301 INFO L225 Difference]: With dead ends: 2886 [2023-11-29 06:53:27,301 INFO L226 Difference]: Without dead ends: 1864 [2023-11-29 06:53:27,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:27,305 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 591 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:27,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 468 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:53:27,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2023-11-29 06:53:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1735. [2023-11-29 06:53:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1591 states have (on average 1.7674418604651163) internal successors, (2812), 1595 states have internal predecessors, (2812), 127 states have call successors, (127), 14 states have call predecessors, (127), 16 states have return successors, (129), 125 states have call predecessors, (129), 126 states have call successors, (129) [2023-11-29 06:53:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 3068 transitions. [2023-11-29 06:53:27,394 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 3068 transitions. Word has length 87 [2023-11-29 06:53:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:27,395 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 3068 transitions. [2023-11-29 06:53:27,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 3068 transitions. [2023-11-29 06:53:27,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 06:53:27,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:27,403 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:27,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:53:27,403 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:27,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1383434431, now seen corresponding path program 1 times [2023-11-29 06:53:27,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:27,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490485250] [2023-11-29 06:53:27,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:27,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:53:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:53:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 06:53:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 06:53:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:53:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 06:53:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:27,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:27,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490485250] [2023-11-29 06:53:27,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490485250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:27,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:27,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:27,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990477500] [2023-11-29 06:53:27,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:27,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:27,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:27,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:27,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:27,503 INFO L87 Difference]: Start difference. First operand 1735 states and 3068 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:28,476 INFO L93 Difference]: Finished difference Result 4457 states and 7959 transitions. [2023-11-29 06:53:28,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:28,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 88 [2023-11-29 06:53:28,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:28,491 INFO L225 Difference]: With dead ends: 4457 [2023-11-29 06:53:28,492 INFO L226 Difference]: Without dead ends: 2892 [2023-11-29 06:53:28,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:28,495 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 589 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:28,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 464 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:28,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2023-11-29 06:53:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2763. [2023-11-29 06:53:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2553 states have (on average 1.762632197414806) internal successors, (4500), 2557 states have internal predecessors, (4500), 193 states have call successors, (193), 14 states have call predecessors, (193), 16 states have return successors, (195), 191 states have call predecessors, (195), 192 states have call successors, (195) [2023-11-29 06:53:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4888 transitions. [2023-11-29 06:53:28,581 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4888 transitions. Word has length 88 [2023-11-29 06:53:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:28,582 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4888 transitions. [2023-11-29 06:53:28,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4888 transitions. [2023-11-29 06:53:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 06:53:28,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:28,591 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:28,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:53:28,591 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:28,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:28,592 INFO L85 PathProgramCache]: Analyzing trace with hash 7536338, now seen corresponding path program 1 times [2023-11-29 06:53:28,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:28,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659924247] [2023-11-29 06:53:28,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:53:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 06:53:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:53:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:53:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:53:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 06:53:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:28,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659924247] [2023-11-29 06:53:28,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659924247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:28,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:28,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712190063] [2023-11-29 06:53:28,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:28,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:28,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:28,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:28,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:28,670 INFO L87 Difference]: Start difference. First operand 2763 states and 4888 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:29,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:29,700 INFO L93 Difference]: Finished difference Result 6944 states and 12406 transitions. [2023-11-29 06:53:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:29,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-29 06:53:29,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:29,729 INFO L225 Difference]: With dead ends: 6944 [2023-11-29 06:53:29,729 INFO L226 Difference]: Without dead ends: 4526 [2023-11-29 06:53:29,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:29,736 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 586 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:29,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 460 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:29,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4526 states. [2023-11-29 06:53:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4526 to 4397. [2023-11-29 06:53:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4070 states have (on average 1.7572481572481573) internal successors, (7152), 4074 states have internal predecessors, (7152), 310 states have call successors, (310), 14 states have call predecessors, (310), 16 states have return successors, (312), 308 states have call predecessors, (312), 309 states have call successors, (312) [2023-11-29 06:53:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 7774 transitions. [2023-11-29 06:53:29,939 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 7774 transitions. Word has length 89 [2023-11-29 06:53:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:29,940 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 7774 transitions. [2023-11-29 06:53:29,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 7774 transitions. [2023-11-29 06:53:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 06:53:29,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:29,959 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 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] [2023-11-29 06:53:29,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:53:29,959 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:29,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:29,959 INFO L85 PathProgramCache]: Analyzing trace with hash -499641679, now seen corresponding path program 2 times [2023-11-29 06:53:29,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:29,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021240625] [2023-11-29 06:53:29,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 06:53:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 06:53:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:53:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 06:53:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:53:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 06:53:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 06:53:30,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:30,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021240625] [2023-11-29 06:53:30,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021240625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:30,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:30,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:30,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763451736] [2023-11-29 06:53:30,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:30,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:30,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:30,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:30,066 INFO L87 Difference]: Start difference. First operand 4397 states and 7774 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:31,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:31,076 INFO L93 Difference]: Finished difference Result 7846 states and 13920 transitions. [2023-11-29 06:53:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:31,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-29 06:53:31,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:31,098 INFO L225 Difference]: With dead ends: 7846 [2023-11-29 06:53:31,099 INFO L226 Difference]: Without dead ends: 4526 [2023-11-29 06:53:31,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:31,105 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 595 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:31,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 802 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:31,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4526 states. [2023-11-29 06:53:31,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4526 to 4397. [2023-11-29 06:53:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4070 states have (on average 1.7476658476658478) internal successors, (7113), 4074 states have internal predecessors, (7113), 310 states have call successors, (310), 14 states have call predecessors, (310), 16 states have return successors, (312), 308 states have call predecessors, (312), 309 states have call successors, (312) [2023-11-29 06:53:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 7735 transitions. [2023-11-29 06:53:31,337 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 7735 transitions. Word has length 89 [2023-11-29 06:53:31,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:31,338 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 7735 transitions. [2023-11-29 06:53:31,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 7735 transitions. [2023-11-29 06:53:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 06:53:31,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:31,360 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:31,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:53:31,360 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:31,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:31,361 INFO L85 PathProgramCache]: Analyzing trace with hash -414590653, now seen corresponding path program 1 times [2023-11-29 06:53:31,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882741844] [2023-11-29 06:53:31,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:31,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 06:53:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 06:53:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 06:53:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 06:53:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 06:53:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 06:53:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:31,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:31,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882741844] [2023-11-29 06:53:31,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882741844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:31,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:31,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:31,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444171949] [2023-11-29 06:53:31,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:31,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:31,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:31,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:31,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:31,467 INFO L87 Difference]: Start difference. First operand 4397 states and 7735 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:32,516 INFO L93 Difference]: Finished difference Result 11531 states and 20464 transitions. [2023-11-29 06:53:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:32,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2023-11-29 06:53:32,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:32,552 INFO L225 Difference]: With dead ends: 11531 [2023-11-29 06:53:32,552 INFO L226 Difference]: Without dead ends: 7636 [2023-11-29 06:53:32,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:32,561 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 584 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:32,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 472 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2023-11-29 06:53:32,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 7507. [2023-11-29 06:53:32,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7507 states, 6964 states have (on average 1.7406662837449742) internal successors, (12122), 6968 states have internal predecessors, (12122), 526 states have call successors, (526), 14 states have call predecessors, (526), 16 states have return successors, (528), 524 states have call predecessors, (528), 525 states have call successors, (528) [2023-11-29 06:53:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7507 states to 7507 states and 13176 transitions. [2023-11-29 06:53:32,884 INFO L78 Accepts]: Start accepts. Automaton has 7507 states and 13176 transitions. Word has length 90 [2023-11-29 06:53:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:32,885 INFO L495 AbstractCegarLoop]: Abstraction has 7507 states and 13176 transitions. [2023-11-29 06:53:32,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7507 states and 13176 transitions. [2023-11-29 06:53:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 06:53:32,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:32,905 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:32,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:53:32,906 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:32,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:32,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1872232932, now seen corresponding path program 1 times [2023-11-29 06:53:32,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993473914] [2023-11-29 06:53:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:32,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 06:53:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 06:53:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 06:53:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 06:53:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 06:53:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:53:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:32,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993473914] [2023-11-29 06:53:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993473914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:32,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:32,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:32,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800757899] [2023-11-29 06:53:32,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:32,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:32,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:32,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:32,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:32,992 INFO L87 Difference]: Start difference. First operand 7507 states and 13176 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:34,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:34,029 INFO L93 Difference]: Finished difference Result 17214 states and 30242 transitions. [2023-11-29 06:53:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:34,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2023-11-29 06:53:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:34,059 INFO L225 Difference]: With dead ends: 17214 [2023-11-29 06:53:34,059 INFO L226 Difference]: Without dead ends: 10966 [2023-11-29 06:53:34,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:34,069 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 582 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:34,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 439 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10966 states. [2023-11-29 06:53:34,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10966 to 10837. [2023-11-29 06:53:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10837 states, 10294 states have (on average 1.7193510782980377) internal successors, (17699), 10298 states have internal predecessors, (17699), 526 states have call successors, (526), 14 states have call predecessors, (526), 16 states have return successors, (528), 524 states have call predecessors, (528), 525 states have call successors, (528) [2023-11-29 06:53:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10837 states to 10837 states and 18753 transitions. [2023-11-29 06:53:34,535 INFO L78 Accepts]: Start accepts. Automaton has 10837 states and 18753 transitions. Word has length 91 [2023-11-29 06:53:34,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:34,535 INFO L495 AbstractCegarLoop]: Abstraction has 10837 states and 18753 transitions. [2023-11-29 06:53:34,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 10837 states and 18753 transitions. [2023-11-29 06:53:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 06:53:34,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:34,558 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:34,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:53:34,558 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:34,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:34,559 INFO L85 PathProgramCache]: Analyzing trace with hash 352054725, now seen corresponding path program 1 times [2023-11-29 06:53:34,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:34,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922888006] [2023-11-29 06:53:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 06:53:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 06:53:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 06:53:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:53:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 06:53:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 06:53:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:34,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:34,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922888006] [2023-11-29 06:53:34,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922888006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:34,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:34,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:34,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186094749] [2023-11-29 06:53:34,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:34,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:34,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:34,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:34,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:34,683 INFO L87 Difference]: Start difference. First operand 10837 states and 18753 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:35,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:35,867 INFO L93 Difference]: Finished difference Result 28965 states and 50386 transitions. [2023-11-29 06:53:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:35,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2023-11-29 06:53:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:35,935 INFO L225 Difference]: With dead ends: 28965 [2023-11-29 06:53:35,936 INFO L226 Difference]: Without dead ends: 19688 [2023-11-29 06:53:35,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:35,953 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 579 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:35,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 472 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19688 states. [2023-11-29 06:53:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19688 to 19559. [2023-11-29 06:53:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19559 states, 18605 states have (on average 1.7069604944907284) internal successors, (31758), 18609 states have internal predecessors, (31758), 937 states have call successors, (937), 14 states have call predecessors, (937), 16 states have return successors, (939), 935 states have call predecessors, (939), 936 states have call successors, (939) [2023-11-29 06:53:36,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19559 states to 19559 states and 33634 transitions. [2023-11-29 06:53:36,742 INFO L78 Accepts]: Start accepts. Automaton has 19559 states and 33634 transitions. Word has length 92 [2023-11-29 06:53:36,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:36,742 INFO L495 AbstractCegarLoop]: Abstraction has 19559 states and 33634 transitions. [2023-11-29 06:53:36,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 19559 states and 33634 transitions. [2023-11-29 06:53:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 06:53:36,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:36,781 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:36,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:53:36,781 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:36,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:36,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1263020630, now seen corresponding path program 1 times [2023-11-29 06:53:36,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:36,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54536539] [2023-11-29 06:53:36,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:36,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:53:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 06:53:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 06:53:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 06:53:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 06:53:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 06:53:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:36,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:36,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54536539] [2023-11-29 06:53:36,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54536539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:36,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:36,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:36,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792438800] [2023-11-29 06:53:36,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:36,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:36,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:36,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:36,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:36,909 INFO L87 Difference]: Start difference. First operand 19559 states and 33634 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:38,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:38,386 INFO L93 Difference]: Finished difference Result 53892 states and 92983 transitions. [2023-11-29 06:53:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:38,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 93 [2023-11-29 06:53:38,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:38,458 INFO L225 Difference]: With dead ends: 53892 [2023-11-29 06:53:38,459 INFO L226 Difference]: Without dead ends: 36412 [2023-11-29 06:53:38,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:38,476 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 578 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:38,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 465 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:38,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36412 states. [2023-11-29 06:53:39,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36412 to 36283. [2023-11-29 06:53:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36283 states, 34531 states have (on average 1.692218586197909) internal successors, (58434), 34535 states have internal predecessors, (58434), 1735 states have call successors, (1735), 14 states have call predecessors, (1735), 16 states have return successors, (1737), 1733 states have call predecessors, (1737), 1734 states have call successors, (1737) [2023-11-29 06:53:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36283 states to 36283 states and 61906 transitions. [2023-11-29 06:53:39,653 INFO L78 Accepts]: Start accepts. Automaton has 36283 states and 61906 transitions. Word has length 93 [2023-11-29 06:53:39,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:39,653 INFO L495 AbstractCegarLoop]: Abstraction has 36283 states and 61906 transitions. [2023-11-29 06:53:39,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 36283 states and 61906 transitions. [2023-11-29 06:53:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 06:53:39,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:39,680 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:39,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:53:39,680 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:39,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2131663687, now seen corresponding path program 1 times [2023-11-29 06:53:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:39,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466576088] [2023-11-29 06:53:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 06:53:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 06:53:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:53:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 06:53:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 06:53:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 06:53:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:39,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:39,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466576088] [2023-11-29 06:53:39,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466576088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:39,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:39,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:39,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605637703] [2023-11-29 06:53:39,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:39,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:39,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:39,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:39,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:39,782 INFO L87 Difference]: Start difference. First operand 36283 states and 61906 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:41,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:41,622 INFO L93 Difference]: Finished difference Result 68913 states and 117575 transitions. [2023-11-29 06:53:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:41,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2023-11-29 06:53:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:41,748 INFO L225 Difference]: With dead ends: 68913 [2023-11-29 06:53:41,748 INFO L226 Difference]: Without dead ends: 68793 [2023-11-29 06:53:41,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:41,758 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 576 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:41,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 465 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:41,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68793 states. [2023-11-29 06:53:43,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68793 to 68664. [2023-11-29 06:53:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68664 states, 65343 states have (on average 1.6753133464946512) internal successors, (109470), 65347 states have internal predecessors, (109470), 3304 states have call successors, (3304), 14 states have call predecessors, (3304), 16 states have return successors, (3306), 3302 states have call predecessors, (3306), 3303 states have call successors, (3306) [2023-11-29 06:53:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68664 states to 68664 states and 116080 transitions. [2023-11-29 06:53:43,333 INFO L78 Accepts]: Start accepts. Automaton has 68664 states and 116080 transitions. Word has length 94 [2023-11-29 06:53:43,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:43,334 INFO L495 AbstractCegarLoop]: Abstraction has 68664 states and 116080 transitions. [2023-11-29 06:53:43,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 06:53:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 68664 states and 116080 transitions. [2023-11-29 06:53:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 06:53:43,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:43,365 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:43,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:53:43,365 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:43,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:43,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1192217560, now seen corresponding path program 1 times [2023-11-29 06:53:43,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:43,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866841277] [2023-11-29 06:53:43,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:43,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 06:53:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:53:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 06:53:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:53:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:53:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 06:53:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 06:53:43,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866841277] [2023-11-29 06:53:43,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866841277] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347644949] [2023-11-29 06:53:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:43,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:43,929 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:43,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:53:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:44,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 06:53:44,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 06:53:44,408 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:44,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347644949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:44,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:44,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 26 [2023-11-29 06:53:44,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207460980] [2023-11-29 06:53:44,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:44,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:53:44,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:44,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:53:44,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:53:44,411 INFO L87 Difference]: Start difference. First operand 68664 states and 116080 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-29 06:53:45,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:45,985 INFO L93 Difference]: Finished difference Result 68912 states and 116444 transitions. [2023-11-29 06:53:45,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:53:45,986 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) Word has length 95 [2023-11-29 06:53:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:46,147 INFO L225 Difference]: With dead ends: 68912 [2023-11-29 06:53:46,147 INFO L226 Difference]: Without dead ends: 68797 [2023-11-29 06:53:46,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=1239, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 06:53:46,158 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 494 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:46,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 2807 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:53:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68797 states. [2023-11-29 06:53:47,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68797 to 68787. [2023-11-29 06:53:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68787 states, 65431 states have (on average 1.675016429521175) internal successors, (109598), 65436 states have internal predecessors, (109598), 3326 states have call successors, (3326), 25 states have call predecessors, (3326), 29 states have return successors, (3342), 3325 states have call predecessors, (3342), 3324 states have call successors, (3342) [2023-11-29 06:53:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68787 states to 68787 states and 116266 transitions. [2023-11-29 06:53:47,625 INFO L78 Accepts]: Start accepts. Automaton has 68787 states and 116266 transitions. Word has length 95 [2023-11-29 06:53:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:47,626 INFO L495 AbstractCegarLoop]: Abstraction has 68787 states and 116266 transitions. [2023-11-29 06:53:47,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-29 06:53:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 68787 states and 116266 transitions. [2023-11-29 06:53:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-29 06:53:47,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:47,787 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:47,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:53:47,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:47,994 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:47,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:47,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1622004785, now seen corresponding path program 1 times [2023-11-29 06:53:47,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:47,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426151573] [2023-11-29 06:53:47,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:47,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:53:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:53:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 06:53:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 06:53:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 06:53:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 06:53:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 06:53:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 06:53:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 06:53:48,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:48,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426151573] [2023-11-29 06:53:48,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426151573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:48,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:48,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:53:48,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235203147] [2023-11-29 06:53:48,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:48,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:53:48,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:48,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:53:48,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:48,191 INFO L87 Difference]: Start difference. First operand 68787 states and 116266 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-29 06:53:50,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:50,526 INFO L93 Difference]: Finished difference Result 69024 states and 116723 transitions. [2023-11-29 06:53:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:53:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2023-11-29 06:53:50,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:50,528 INFO L225 Difference]: With dead ends: 69024 [2023-11-29 06:53:50,528 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:53:50,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:53:50,560 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 506 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:50,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 668 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:53:50,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:53:50,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:53:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:53:50,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2023-11-29 06:53:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:50,564 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:53:50,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-29 06:53:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:53:50,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:53:50,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:53:50,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:53:50,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:54:38,760 WARN L293 SmtUtils]: Spent 38.58s on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 06:55:29,349 WARN L293 SmtUtils]: Spent 38.14s on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 06:58:45,699 WARN L293 SmtUtils]: Spent 3.00m on a formula simplification. DAG size of input: 2390 DAG size of output: 2388 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 06:59:36,777 WARN L293 SmtUtils]: Spent 42.27s on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 07:00:14,850 WARN L293 SmtUtils]: Spent 21.32s on a formula simplification. DAG size of input: 1126 DAG size of output: 13 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 07:00:36,281 WARN L293 SmtUtils]: Spent 21.29s on a formula simplification. DAG size of input: 1126 DAG size of output: 13 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 07:02:10,137 WARN L293 SmtUtils]: Spent 1.56m on a formula simplification. DAG size of input: 2388 DAG size of output: 11 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 07:02:31,475 WARN L293 SmtUtils]: Spent 21.24s on a formula simplification. DAG size of input: 1126 DAG size of output: 13 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 07:02:31,589 INFO L899 garLoopResultBuilder]: For program point L2401-1(line 2401) no Hoare annotation was computed. [2023-11-29 07:02:31,590 INFO L895 garLoopResultBuilder]: At program point L2401(line 2401) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,590 INFO L895 garLoopResultBuilder]: At program point L2398(line 2398) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,590 INFO L899 garLoopResultBuilder]: For program point L2398-1(line 2398) no Hoare annotation was computed. [2023-11-29 07:02:31,590 INFO L899 garLoopResultBuilder]: For program point L2394(lines 2394 2413) no Hoare annotation was computed. [2023-11-29 07:02:31,590 INFO L899 garLoopResultBuilder]: For program point L2391-1(line 2391) no Hoare annotation was computed. [2023-11-29 07:02:31,590 INFO L899 garLoopResultBuilder]: For program point outgoingEXIT(lines 2380 2416) no Hoare annotation was computed. [2023-11-29 07:02:31,591 INFO L895 garLoopResultBuilder]: At program point L2391(line 2391) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,591 INFO L899 garLoopResultBuilder]: For program point L2411-1(lines 2380 2416) no Hoare annotation was computed. [2023-11-29 07:02:31,591 INFO L895 garLoopResultBuilder]: At program point L2411(line 2411) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,591 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2380 2416) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,591 INFO L902 garLoopResultBuilder]: At program point L2406(line 2406) the Hoare annotation is: true [2023-11-29 07:02:31,591 INFO L902 garLoopResultBuilder]: At program point L2404(line 2404) the Hoare annotation is: true [2023-11-29 07:02:31,591 INFO L899 garLoopResultBuilder]: For program point L2405(line 2405) no Hoare annotation was computed. [2023-11-29 07:02:31,591 INFO L902 garLoopResultBuilder]: At program point L2406-1(line 2406) the Hoare annotation is: true [2023-11-29 07:02:31,591 INFO L895 garLoopResultBuilder]: At program point L2403-1(line 2403) the Hoare annotation is: (or (< ~rjh~0 2) (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0))) [2023-11-29 07:02:31,592 INFO L895 garLoopResultBuilder]: At program point L2403(line 2403) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point L188-2(lines 181 196) no Hoare annotation was computed. [2023-11-29 07:02:31,592 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 181 196) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 193) no Hoare annotation was computed. [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point setEmailToEXIT(lines 181 196) no Hoare annotation was computed. [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point getEmailToFINAL(lines 162 180) no Hoare annotation was computed. [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point getEmailToEXIT(lines 162 180) no Hoare annotation was computed. [2023-11-29 07:02:31,592 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 180) the Hoare annotation is: true [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 177) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point L1424(lines 1424 1428) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point L1424-2(lines 1414 1433) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point L1421(lines 1421 1429) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1430) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1414 1433) the Hoare annotation is: true [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point setClientAddressBookSizeEXIT(lines 1414 1433) no Hoare annotation was computed. [2023-11-29 07:02:31,593 INFO L895 garLoopResultBuilder]: At program point L2656(line 2656) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0) (<= 2 |sendEmail_createEmail_~to#1|)) (< |sendEmail_#in~receiver#1| 2) (< ~rjh~0 2)) [2023-11-29 07:02:31,593 INFO L899 garLoopResultBuilder]: For program point L2657(line 2657) no Hoare annotation was computed. [2023-11-29 07:02:31,594 INFO L899 garLoopResultBuilder]: For program point sendEmailEXIT(lines 2491 2503) no Hoare annotation was computed. [2023-11-29 07:02:31,594 INFO L895 garLoopResultBuilder]: At program point L2656-1(line 2656) the Hoare annotation is: (or (< |sendEmail_#in~receiver#1| 2) (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (<= 2 |sendEmail_createEmail_~to#1|))) [2023-11-29 07:02:31,594 INFO L899 garLoopResultBuilder]: For program point sendEmailFINAL(lines 2491 2503) no Hoare annotation was computed. [2023-11-29 07:02:31,594 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2491 2503) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< |sendEmail_#in~receiver#1| 2) (< ~rjh~0 2)) [2023-11-29 07:02:31,594 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2023-11-29 07:02:31,594 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookSizeFINAL(lines 1390 1413) no Hoare annotation was computed. [2023-11-29 07:02:31,594 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1408) no Hoare annotation was computed. [2023-11-29 07:02:31,594 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1390 1413) the Hoare annotation is: true [2023-11-29 07:02:31,594 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1409) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookSizeEXIT(lines 1390 1413) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point L1394(lines 1394 1410) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1711) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookAddressFINAL(lines 1671 1739) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point L1722(lines 1722 1728) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point L1718(lines 1718 1729) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1730) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L899 garLoopResultBuilder]: For program point L1675(lines 1675 1736) no Hoare annotation was computed. [2023-11-29 07:02:31,595 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1671 1739) the Hoare annotation is: true [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point L1694(lines 1694 1735) no Hoare annotation was computed. [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookAddressEXIT(lines 1671 1739) no Hoare annotation was computed. [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point L1684(lines 1684 1690) no Hoare annotation was computed. [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point L1713(lines 1713 1734) no Hoare annotation was computed. [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 1691) no Hoare annotation was computed. [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point L1676(lines 1676 1692) no Hoare annotation was computed. [2023-11-29 07:02:31,596 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1709) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point L1699(lines 1699 1710) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L895 garLoopResultBuilder]: At program point L2554(line 2554) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point L2554-1(line 2554) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1817) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point L1803(lines 1803 1819) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1247) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point outgoing__wrappee__AutoResponderEXIT(lines 2368 2379) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L899 garLoopResultBuilder]: For program point L2621-1(line 2621) no Hoare annotation was computed. [2023-11-29 07:02:31,597 INFO L902 garLoopResultBuilder]: At program point L2621(line 2621) the Hoare annotation is: true [2023-11-29 07:02:31,598 INFO L895 garLoopResultBuilder]: At program point L2374(line 2374) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,598 INFO L899 garLoopResultBuilder]: For program point L2374-1(line 2374) no Hoare annotation was computed. [2023-11-29 07:02:31,598 INFO L899 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2023-11-29 07:02:31,598 INFO L899 garLoopResultBuilder]: For program point getClientForwardReceiver_returnLabel#1(lines 2234 2257) no Hoare annotation was computed. [2023-11-29 07:02:31,598 INFO L899 garLoopResultBuilder]: For program point L2465(lines 2465 2472) no Hoare annotation was computed. [2023-11-29 07:02:31,598 INFO L899 garLoopResultBuilder]: For program point L2465-2(lines 2455 2475) no Hoare annotation was computed. [2023-11-29 07:02:31,598 INFO L899 garLoopResultBuilder]: For program point L2589-1(line 2589) no Hoare annotation was computed. [2023-11-29 07:02:31,598 INFO L895 garLoopResultBuilder]: At program point L2556(line 2556) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-11-29 07:02:31,599 INFO L895 garLoopResultBuilder]: At program point L2589(line 2589) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-11-29 07:02:31,599 INFO L902 garLoopResultBuilder]: At program point L2556-1(line 2556) the Hoare annotation is: true [2023-11-29 07:02:31,599 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2368 2379) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-11-29 07:02:31,599 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2023-11-29 07:02:31,599 INFO L899 garLoopResultBuilder]: For program point L2557(lines 2542 2561) no Hoare annotation was computed. [2023-11-29 07:02:31,600 INFO L899 garLoopResultBuilder]: For program point L2293(lines 2293 2299) no Hoare annotation was computed. [2023-11-29 07:02:31,600 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2301) no Hoare annotation was computed. [2023-11-29 07:02:31,600 INFO L899 garLoopResultBuilder]: For program point L2467-1(line 2467) no Hoare annotation was computed. [2023-11-29 07:02:31,600 INFO L902 garLoopResultBuilder]: At program point L2467(line 2467) the Hoare annotation is: true [2023-11-29 07:02:31,600 INFO L902 garLoopResultBuilder]: At program point L2624(line 2624) the Hoare annotation is: true [2023-11-29 07:02:31,600 INFO L899 garLoopResultBuilder]: For program point L2591(lines 2591 2597) no Hoare annotation was computed. [2023-11-29 07:02:31,600 INFO L899 garLoopResultBuilder]: For program point L2624-1(line 2624) no Hoare annotation was computed. [2023-11-29 07:02:31,600 INFO L899 garLoopResultBuilder]: For program point L2591-2(lines 2583 2600) no Hoare annotation was computed. [2023-11-29 07:02:31,601 INFO L899 garLoopResultBuilder]: For program point L1807(lines 1807 1818) no Hoare annotation was computed. [2023-11-29 07:02:31,601 INFO L902 garLoopResultBuilder]: At program point L2576(line 2576) the Hoare annotation is: true [2023-11-29 07:02:31,601 INFO L899 garLoopResultBuilder]: For program point L2576-1(lines 2569 2580) no Hoare annotation was computed. [2023-11-29 07:02:31,601 INFO L899 garLoopResultBuilder]: For program point L2246(lines 2246 2252) no Hoare annotation was computed. [2023-11-29 07:02:31,601 INFO L899 garLoopResultBuilder]: For program point L1247(line 1247) no Hoare annotation was computed. [2023-11-29 07:02:31,601 INFO L899 garLoopResultBuilder]: For program point L2238(lines 2238 2254) no Hoare annotation was computed. [2023-11-29 07:02:31,601 INFO L895 garLoopResultBuilder]: At program point L2362(line 2362) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-11-29 07:02:31,601 INFO L902 garLoopResultBuilder]: At program point L2618(line 2618) the Hoare annotation is: true [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point L2362-1(line 2362) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point L2618-1(line 2618) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point L2445(lines 2445 2451) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point getClientId_returnLabel#1(lines 2281 2304) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point L2445-2(lines 2437 2454) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 103) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point getClientAutoResponse_returnLabel#1(lines 1799 1822) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point L2289(lines 2289 2300) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point getEmailId_returnLabel#1(lines 88 106) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L899 garLoopResultBuilder]: For program point setEmailFromEXIT(lines 144 159) no Hoare annotation was computed. [2023-11-29 07:02:31,602 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 144 159) the Hoare annotation is: (or (< ~rjh~0 2) (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0))) [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 155) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 144 159) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 156) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L1026-1(line 1026) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L2265(lines 2265 2273) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 952) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (and (<= 2 ~rjh~0) (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 3)) [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 923 932) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L1143(lines 1143 1147) no Hoare annotation was computed. [2023-11-29 07:02:31,603 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 1197) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L895 garLoopResultBuilder]: At program point L1028(line 1028) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0)) (.cse1 (= |ULTIMATE.start_test_~op8~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1) .cse1) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0) .cse1))) [2023-11-29 07:02:31,604 INFO L895 garLoopResultBuilder]: At program point L1028-1(line 1028) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0)) (.cse1 (= |ULTIMATE.start_test_~op8~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1) .cse1) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0) .cse1))) [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L1640(lines 1640 1656) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L1640-1(lines 1606 1661) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1021 1033) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L2268(lines 2268 2272) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L2268-2(lines 2258 2277) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1653) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1100) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point $Ultimate##72(lines 1175 1225) no Hoare annotation was computed. [2023-11-29 07:02:31,604 INFO L899 garLoopResultBuilder]: For program point L1179(lines 1179 1186) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1657) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1638) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1658) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point $Ultimate##66(lines 1164 1226) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L895 garLoopResultBuilder]: At program point L950(line 950) the Hoare annotation is: (< 1 ~rjh~0) [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L950-1(lines 933 955) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1136) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1652) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1623) no Hoare annotation was computed. [2023-11-29 07:02:31,605 INFO L899 garLoopResultBuilder]: For program point L1000(lines 1000 1007) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point $Ultimate##51(lines 1150 1227) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point L1000-2(lines 1000 1007) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1219) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L895 garLoopResultBuilder]: At program point L1215-1(lines 1084 1233) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0)) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1)))) [2023-11-29 07:02:31,606 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) (<= 2 ~rjh~0)) [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point L918-1(lines 913 922) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point L1827(lines 1827 1839) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point $Ultimate##45(lines 1139 1228) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1637) no Hoare annotation was computed. [2023-11-29 07:02:31,606 INFO L899 garLoopResultBuilder]: For program point $Ultimate##39(lines 1128 1229) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point $Ultimate##33(lines 1117 1230) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point L1085(lines 1084 1233) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1083 1235) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point L1168(lines 1168 1172) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point L1647(lines 1647 1651) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1622) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point $Ultimate##18(lines 1103 1231) no Hoare annotation was computed. [2023-11-29 07:02:31,607 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L1830(lines 1830 1838) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1636) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L1154(lines 1154 1161) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L1121(lines 1121 1125) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L1204(lines 1204 1208) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1621) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L2262(lines 2262 2274) no Hoare annotation was computed. [2023-11-29 07:02:31,608 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (<= 2 ~rjh~0) [2023-11-29 07:02:31,608 INFO L902 garLoopResultBuilder]: At program point L908(line 908) the Hoare annotation is: true [2023-11-29 07:02:31,608 INFO L899 garLoopResultBuilder]: For program point L941-1(line 941) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point L908-1(lines 903 912) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point L1833(lines 1833 1837) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point L1833-2(lines 1823 1842) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1114) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point $Ultimate##114(lines 1189 1224) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point $Ultimate##120(lines 1200 1223) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point $Ultimate##126(lines 1211 1222) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point L1092(lines 1092 1232) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L895 garLoopResultBuilder]: At program point L1026(line 1026) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0)) (.cse1 (= |ULTIMATE.start_test_~op8~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1) .cse1) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0) .cse1))) [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 140) no Hoare annotation was computed. [2023-11-29 07:02:31,609 INFO L899 garLoopResultBuilder]: For program point getEmailFromFINAL(lines 125 143) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point getEmailFromEXIT(lines 125 143) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 125 143) the Hoare annotation is: true [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1778(lines 1778 1786) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1757) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1774(lines 1774 1790) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1774-1(lines 1740 1795) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 1770) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1775(lines 1775 1787) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1763(lines 1763 1771) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1791) no Hoare annotation was computed. [2023-11-29 07:02:31,610 INFO L899 garLoopResultBuilder]: For program point L1751(lines 1751 1755) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point setClientAddressBookAddressEXIT(lines 1740 1795) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1740 1795) the Hoare annotation is: true [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point L1760(lines 1760 1772) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1785) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point L1748(lines 1748 1756) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point L1744(lines 1744 1792) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point isReadableEXIT(lines 2631 2639) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2631 2639) the Hoare annotation is: true [2023-11-29 07:02:31,611 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2504 2513) the Hoare annotation is: true [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point queueEXIT(lines 2504 2513) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point setClientIdEXIT(lines 2305 2324) no Hoare annotation was computed. [2023-11-29 07:02:31,611 INFO L899 garLoopResultBuilder]: For program point L2315(lines 2315 2319) no Hoare annotation was computed. [2023-11-29 07:02:31,612 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2305 2324) the Hoare annotation is: (and (= |old(~__ste_client_idCounter0~0)| ~__ste_client_idCounter0~0) (= |old(~__ste_client_idCounter1~0)| ~__ste_client_idCounter1~0) (= |old(~__ste_client_idCounter2~0)| ~__ste_client_idCounter2~0)) [2023-11-29 07:02:31,612 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2320) no Hoare annotation was computed. [2023-11-29 07:02:31,612 INFO L899 garLoopResultBuilder]: For program point L2315-2(lines 2305 2324) no Hoare annotation was computed. [2023-11-29 07:02:31,612 INFO L899 garLoopResultBuilder]: For program point L2309(lines 2309 2321) no Hoare annotation was computed. [2023-11-29 07:02:31,614 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:02:31,617 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:02:31,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:02:31 BoogieIcfgContainer [2023-11-29 07:02:31,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:02:31,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:02:31,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:02:31,629 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:02:31,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:14" (3/4) ... [2023-11-29 07:02:31,631 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2023-11-29 07:02:31,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2023-11-29 07:02:31,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2023-11-29 07:02:31,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2023-11-29 07:02:31,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2023-11-29 07:02:31,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2023-11-29 07:02:31,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue [2023-11-29 07:02:31,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2023-11-29 07:02:31,655 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2023-11-29 07:02:31,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-11-29 07:02:31,659 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 07:02:31,661 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 07:02:31,663 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:02:31,665 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:02:31,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 07:02:31,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 07:02:31,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:02:31,833 INFO L158 Benchmark]: Toolchain (without parser) took 559364.27ms. Allocated memory was 153.1MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 118.2MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2023-11-29 07:02:31,834 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:02:31,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.89ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 79.2MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-29 07:02:31,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.21ms. Allocated memory is still 153.1MB. Free memory was 79.2MB in the beginning and 74.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:02:31,835 INFO L158 Benchmark]: Boogie Preprocessor took 81.91ms. Allocated memory is still 153.1MB. Free memory was 74.3MB in the beginning and 68.7MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 07:02:31,835 INFO L158 Benchmark]: RCFGBuilder took 837.93ms. Allocated memory is still 153.1MB. Free memory was 68.7MB in the beginning and 79.4MB in the end (delta: -10.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-29 07:02:31,836 INFO L158 Benchmark]: TraceAbstraction took 557505.16ms. Allocated memory was 153.1MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 78.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2023-11-29 07:02:31,836 INFO L158 Benchmark]: Witness Printer took 203.78ms. Allocated memory is still 4.4GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 07:02:31,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.89ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 79.2MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.21ms. Allocated memory is still 153.1MB. Free memory was 79.2MB in the beginning and 74.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.91ms. Allocated memory is still 153.1MB. Free memory was 74.3MB in the beginning and 68.7MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 837.93ms. Allocated memory is still 153.1MB. Free memory was 68.7MB in the beginning and 79.4MB in the end (delta: -10.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 557505.16ms. Allocated memory was 153.1MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 78.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. * Witness Printer took 203.78ms. Allocated memory is still 4.4GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [826] - GenericResultAtLocation [Line: 875]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1044] - GenericResultAtLocation [Line: 1242]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1242] - GenericResultAtLocation [Line: 1251]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1251] - GenericResultAtLocation [Line: 2325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2325] - GenericResultAtLocation [Line: 2342]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2342] - GenericResultAtLocation [Line: 2581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2581] - GenericResultAtLocation [Line: 2601]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2601] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1247]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 557.4s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 521.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10218 SdHoareTripleChecker+Valid, 15.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9938 mSDsluCounter, 13593 SdHoareTripleChecker+Invalid, 13.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10530 mSDsCounter, 3020 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19168 IncrementalHoareTripleChecker+Invalid, 22188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3020 mSolverCounterUnsat, 3063 mSDtfsCounter, 19168 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1033 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68787occurred in iteration=19, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 1945 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 7639 PreInvPairs, 13914 NumberOfFragments, 400 HoareAnnotationTreeSize, 7639 FomulaSimplifications, 12562949291540 FormulaSimplificationTreeSizeReduction, 362.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 136516 FormulaSimplificationTreeSizeReductionInter, 157.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2085 NumberOfCodeBlocks, 2085 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2136 ConstructedInterpolants, 0 QuantifiedInterpolants, 3751 SizeOfPredicates, 19 NumberOfNonLiveVariables, 4285 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 462/481 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1084]: Loop Invariant Derived loop invariant: (((2 <= rjh) && (op1 == 0)) || ((2 <= rjh) && (op1 == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-29 07:02:31,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515a680d-57a7-4707-b396-f513ba052334/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE