./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product26.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_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/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_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/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_bde4a22a-45a3-426c-8d88-e376bf331cbe/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 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:50:58,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:50:58,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:50:58,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:50:58,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:50:58,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:50:58,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:50:58,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:50:58,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:50:58,894 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:50:58,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:50:58,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:50:58,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:50:58,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:50:58,897 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:50:58,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:50:58,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:50:58,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:50:58,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:50:58,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:50:58,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:50:58,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:50:58,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:50:58,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:50:58,902 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:50:58,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:50:58,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:50:58,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:50:58,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:50:58,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:50:58,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:50:58,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:50:58,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:50:58,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:50:58,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:50:58,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:50:58,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:50:58,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:50:58,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:50:58,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:50:58,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:50:58,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:50:58,907 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_bde4a22a-45a3-426c-8d88-e376bf331cbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 [2023-11-29 05:50:59,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:50:59,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:50:59,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:50:59,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:50:59,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:50:59,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2023-11-29 05:51:01,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:51:02,235 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:51:02,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2023-11-29 05:51:02,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/data/f2de6a497/e83027a91d664d1eb7aa956a1b9c55a3/FLAG5009a7bd0 [2023-11-29 05:51:02,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/data/f2de6a497/e83027a91d664d1eb7aa956a1b9c55a3 [2023-11-29 05:51:02,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:51:02,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:51:02,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:51:02,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:51:02,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:51:02,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:51:02" (1/1) ... [2023-11-29 05:51:02,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1da79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:02, skipping insertion in model container [2023-11-29 05:51:02,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:51:02" (1/1) ... [2023-11-29 05:51:02,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:51:02,894 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_bde4a22a-45a3-426c-8d88-e376bf331cbe/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c[63882,63895] [2023-11-29 05:51:02,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:51:02,913 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:51:02,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2023-11-29 05:51:02,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [424] [2023-11-29 05:51:02,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [828] [2023-11-29 05:51:02,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1152] [2023-11-29 05:51:02,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1374] [2023-11-29 05:51:02,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1477] [2023-11-29 05:51:02,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1512] [2023-11-29 05:51:02,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2572] [2023-11-29 05:51:02,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2592] [2023-11-29 05:51:02,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2958] [2023-11-29 05:51:02,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2975] [2023-11-29 05:51:03,021 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_bde4a22a-45a3-426c-8d88-e376bf331cbe/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c[63882,63895] [2023-11-29 05:51:03,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:51:03,051 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:51:03,059 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:51:03,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03 WrapperNode [2023-11-29 05:51:03,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:51:03,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:51:03,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:51:03,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:51:03,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,149 INFO L138 Inliner]: procedures = 131, calls = 224, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1114 [2023-11-29 05:51:03,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:51:03,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:51:03,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:51:03,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:51:03,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,219 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-11-29 05:51:03,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:51:03,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:51:03,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:51:03,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:51:03,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (1/1) ... [2023-11-29 05:51:03,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:51:03,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:03,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:51:03,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:51:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-11-29 05:51:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-11-29 05:51:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-29 05:51:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-29 05:51:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-11-29 05:51:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-11-29 05:51:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-29 05:51:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-29 05:51:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-29 05:51:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-29 05:51:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-11-29 05:51:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-11-29 05:51:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-29 05:51:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-29 05:51:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-29 05:51:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-29 05:51:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-29 05:51:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-29 05:51:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-29 05:51:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-29 05:51:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-29 05:51:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-29 05:51:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 05:51:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-29 05:51:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-29 05:51:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-11-29 05:51:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-11-29 05:51:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-29 05:51:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-29 05:51:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:51:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-11-29 05:51:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-11-29 05:51:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-29 05:51:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-29 05:51:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-29 05:51:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-29 05:51:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-29 05:51:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-29 05:51:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-29 05:51:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-29 05:51:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-29 05:51:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-29 05:51:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-29 05:51:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-29 05:51:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-29 05:51:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-29 05:51:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:51:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:51:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:51:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:51:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-29 05:51:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-29 05:51:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-11-29 05:51:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-11-29 05:51:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:51:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:51:03,564 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:51:03,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:51:04,375 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:51:04,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:51:04,444 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:51:04,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:51:04 BoogieIcfgContainer [2023-11-29 05:51:04,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:51:04,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:51:04,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:51:04,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:51:04,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:51:02" (1/3) ... [2023-11-29 05:51:04,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d04623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:51:04, skipping insertion in model container [2023-11-29 05:51:04,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:51:03" (2/3) ... [2023-11-29 05:51:04,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d04623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:51:04, skipping insertion in model container [2023-11-29 05:51:04,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:51:04" (3/3) ... [2023-11-29 05:51:04,454 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2023-11-29 05:51:04,471 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:51:04,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:51:04,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:51:04,525 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;@32b61fba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:51:04,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:51:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 284 states have (on average 1.6161971830985915) internal successors, (459), 289 states have internal predecessors, (459), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 05:51:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 05:51:04,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:04,554 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:04,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:04,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash 779558688, now seen corresponding path program 1 times [2023-11-29 05:51:04,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:04,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976523673] [2023-11-29 05:51:04,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:51:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:51:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:51:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 05:51:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 05:51:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 05:51:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 05:51:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:51:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:51:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:51:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:51:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 05:51:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 05:51:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 05:51:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-29 05:51:05,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:05,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976523673] [2023-11-29 05:51:05,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976523673] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:51:05,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411961456] [2023-11-29 05:51:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:05,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:05,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:05,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:51:05,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:51:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:05,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:51:05,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:51:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-29 05:51:05,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:51:05,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411961456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:05,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:51:05,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-11-29 05:51:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745817169] [2023-11-29 05:51:05,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:05,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:51:05,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:05,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:51:05,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:51:05,836 INFO L87 Difference]: Start difference. First operand has 372 states, 284 states have (on average 1.6161971830985915) internal successors, (459), 289 states have internal predecessors, (459), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:05,942 INFO L93 Difference]: Finished difference Result 556 states and 858 transitions. [2023-11-29 05:51:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:51:05,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2023-11-29 05:51:05,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:05,962 INFO L225 Difference]: With dead ends: 556 [2023-11-29 05:51:05,962 INFO L226 Difference]: Without dead ends: 369 [2023-11-29 05:51:05,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:51:05,973 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:05,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:51:05,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-11-29 05:51:06,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2023-11-29 05:51:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 282 states have (on average 1.6028368794326242) internal successors, (452), 286 states have internal predecessors, (452), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-11-29 05:51:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 575 transitions. [2023-11-29 05:51:06,047 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 575 transitions. Word has length 138 [2023-11-29 05:51:06,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:06,048 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 575 transitions. [2023-11-29 05:51:06,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 575 transitions. [2023-11-29 05:51:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 05:51:06,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:06,058 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:06,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:51:06,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:06,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:06,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash 301483568, now seen corresponding path program 1 times [2023-11-29 05:51:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473899188] [2023-11-29 05:51:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:51:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:51:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:51:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 05:51:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 05:51:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 05:51:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 05:51:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:51:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:51:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:51:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 05:51:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 05:51:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 05:51:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 05:51:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,588 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-29 05:51:06,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:06,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473899188] [2023-11-29 05:51:06,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473899188] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:51:06,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834095700] [2023-11-29 05:51:06,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:06,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:06,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:06,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:51:06,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:51:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:06,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:51:06,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:51:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-29 05:51:06,968 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:51:06,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834095700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:06,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:51:06,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 05:51:06,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325684907] [2023-11-29 05:51:06,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:06,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:51:06,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:06,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:51:06,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:51:06,972 INFO L87 Difference]: Start difference. First operand 369 states and 575 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:07,047 INFO L93 Difference]: Finished difference Result 552 states and 842 transitions. [2023-11-29 05:51:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:51:07,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2023-11-29 05:51:07,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:07,053 INFO L225 Difference]: With dead ends: 552 [2023-11-29 05:51:07,053 INFO L226 Difference]: Without dead ends: 371 [2023-11-29 05:51:07,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:51:07,056 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:07,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1117 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:51:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-11-29 05:51:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2023-11-29 05:51:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 284 states have (on average 1.5985915492957747) internal successors, (454), 288 states have internal predecessors, (454), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-11-29 05:51:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 577 transitions. [2023-11-29 05:51:07,089 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 577 transitions. Word has length 139 [2023-11-29 05:51:07,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:07,089 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 577 transitions. [2023-11-29 05:51:07,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 577 transitions. [2023-11-29 05:51:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 05:51:07,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:07,094 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:07,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:51:07,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:07,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:07,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:07,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1751186329, now seen corresponding path program 1 times [2023-11-29 05:51:07,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:07,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609427479] [2023-11-29 05:51:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:51:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:51:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:51:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 05:51:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 05:51:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 05:51:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:51:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:51:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:51:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:51:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 05:51:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 05:51:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 05:51:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-29 05:51:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 05:51:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:07,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609427479] [2023-11-29 05:51:07,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609427479] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:51:07,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654554946] [2023-11-29 05:51:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:07,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:07,620 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:51:07,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:51:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:07,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:51:07,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:51:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-29 05:51:07,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:51:07,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654554946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:07,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:51:07,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 05:51:07,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222019630] [2023-11-29 05:51:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:07,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:51:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:51:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:51:07,990 INFO L87 Difference]: Start difference. First operand 371 states and 577 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:08,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:08,055 INFO L93 Difference]: Finished difference Result 794 states and 1253 transitions. [2023-11-29 05:51:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:51:08,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2023-11-29 05:51:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:08,060 INFO L225 Difference]: With dead ends: 794 [2023-11-29 05:51:08,060 INFO L226 Difference]: Without dead ends: 445 [2023-11-29 05:51:08,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:51:08,063 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 136 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:08,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1086 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:51:08,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-11-29 05:51:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 440. [2023-11-29 05:51:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 339 states have (on average 1.6165191740412979) internal successors, (548), 343 states have internal predecessors, (548), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 05:51:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 699 transitions. [2023-11-29 05:51:08,090 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 699 transitions. Word has length 146 [2023-11-29 05:51:08,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:08,091 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 699 transitions. [2023-11-29 05:51:08,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 699 transitions. [2023-11-29 05:51:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 05:51:08,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:08,095 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:08,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:51:08,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:08,296 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:08,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1964096587, now seen corresponding path program 1 times [2023-11-29 05:51:08,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:08,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776168332] [2023-11-29 05:51:08,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:08,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:51:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:51:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:51:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 05:51:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 05:51:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 05:51:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:51:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:51:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:51:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 05:51:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 05:51:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 05:51:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 05:51:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 05:51:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 05:51:08,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776168332] [2023-11-29 05:51:08,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776168332] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:51:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546325674] [2023-11-29 05:51:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:08,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:08,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:51:08,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:51:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:08,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:51:08,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:51:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 05:51:08,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:51:08,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546325674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:08,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:51:08,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 05:51:08,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94864233] [2023-11-29 05:51:08,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:08,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:51:08,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:08,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:51:08,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:51:08,981 INFO L87 Difference]: Start difference. First operand 440 states and 699 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:51:09,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:09,107 INFO L93 Difference]: Finished difference Result 875 states and 1392 transitions. [2023-11-29 05:51:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:51:09,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2023-11-29 05:51:09,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:09,111 INFO L225 Difference]: With dead ends: 875 [2023-11-29 05:51:09,111 INFO L226 Difference]: Without dead ends: 442 [2023-11-29 05:51:09,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:09,114 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 8 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:09,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2189 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:51:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-11-29 05:51:09,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2023-11-29 05:51:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 340 states have (on average 1.6147058823529412) internal successors, (549), 345 states have internal predecessors, (549), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2023-11-29 05:51:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 702 transitions. [2023-11-29 05:51:09,135 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 702 transitions. Word has length 147 [2023-11-29 05:51:09,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:09,136 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 702 transitions. [2023-11-29 05:51:09,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:51:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 702 transitions. [2023-11-29 05:51:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 05:51:09,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:09,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:09,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:51:09,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:09,340 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:09,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:09,341 INFO L85 PathProgramCache]: Analyzing trace with hash -137627375, now seen corresponding path program 1 times [2023-11-29 05:51:09,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:09,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002507485] [2023-11-29 05:51:09,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 05:51:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 05:51:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 05:51:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 05:51:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:51:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 05:51:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 05:51:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:51:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:51:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 05:51:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 05:51:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 05:51:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:51:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 05:51:09,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:09,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002507485] [2023-11-29 05:51:09,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002507485] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:51:09,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183462902] [2023-11-29 05:51:09,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:09,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:09,641 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:51:09,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:51:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:09,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:51:09,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:51:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 05:51:09,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:51:09,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183462902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:09,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:51:09,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-29 05:51:10,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116740426] [2023-11-29 05:51:10,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:10,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:51:10,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:10,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:51:10,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:51:10,002 INFO L87 Difference]: Start difference. First operand 442 states and 702 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:51:10,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:10,156 INFO L93 Difference]: Finished difference Result 877 states and 1397 transitions. [2023-11-29 05:51:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:51:10,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2023-11-29 05:51:10,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:10,161 INFO L225 Difference]: With dead ends: 877 [2023-11-29 05:51:10,161 INFO L226 Difference]: Without dead ends: 444 [2023-11-29 05:51:10,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:51:10,165 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 8 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:10,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2175 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:51:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-11-29 05:51:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2023-11-29 05:51:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 341 states have (on average 1.6129032258064515) internal successors, (550), 347 states have internal predecessors, (550), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2023-11-29 05:51:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 708 transitions. [2023-11-29 05:51:10,192 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 708 transitions. Word has length 148 [2023-11-29 05:51:10,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:10,192 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 708 transitions. [2023-11-29 05:51:10,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:51:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 708 transitions. [2023-11-29 05:51:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 05:51:10,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:10,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:10,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:51:10,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:10,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:10,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash -121644763, now seen corresponding path program 1 times [2023-11-29 05:51:10,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:10,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337251071] [2023-11-29 05:51:10,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:10,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 05:51:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:51:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 05:51:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:51:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:51:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:51:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:51:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 05:51:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 05:51:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 05:51:10,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:10,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337251071] [2023-11-29 05:51:10,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337251071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:10,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:10,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:51:10,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860506014] [2023-11-29 05:51:10,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:10,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:51:10,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:10,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:51:10,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:51:10,672 INFO L87 Difference]: Start difference. First operand 444 states and 708 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 05:51:13,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:13,180 INFO L93 Difference]: Finished difference Result 1038 states and 1685 transitions. [2023-11-29 05:51:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:51:13,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 131 [2023-11-29 05:51:13,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:13,187 INFO L225 Difference]: With dead ends: 1038 [2023-11-29 05:51:13,187 INFO L226 Difference]: Without dead ends: 613 [2023-11-29 05:51:13,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:51:13,190 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1312 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 2656 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 2656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:13,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 1240 Invalid, 3141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 2656 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 05:51:13,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-11-29 05:51:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 444. [2023-11-29 05:51:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 341 states have (on average 1.6129032258064515) internal successors, (550), 347 states have internal predecessors, (550), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2023-11-29 05:51:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 707 transitions. [2023-11-29 05:51:13,231 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 707 transitions. Word has length 131 [2023-11-29 05:51:13,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:13,232 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 707 transitions. [2023-11-29 05:51:13,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 05:51:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 707 transitions. [2023-11-29 05:51:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 05:51:13,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:13,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:13,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:51:13,236 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:13,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash 755630475, now seen corresponding path program 1 times [2023-11-29 05:51:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794920956] [2023-11-29 05:51:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:51:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 05:51:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:51:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:51:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:51:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:51:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:51:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:51:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 05:51:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 05:51:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 05:51:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:51:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 05:51:13,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:13,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794920956] [2023-11-29 05:51:13,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794920956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:13,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:13,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:51:13,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627264021] [2023-11-29 05:51:13,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:13,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:51:13,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:13,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:51:13,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:51:13,464 INFO L87 Difference]: Start difference. First operand 444 states and 707 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:51:15,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:15,723 INFO L93 Difference]: Finished difference Result 1040 states and 1688 transitions. [2023-11-29 05:51:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:51:15,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2023-11-29 05:51:15,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:15,729 INFO L225 Difference]: With dead ends: 1040 [2023-11-29 05:51:15,729 INFO L226 Difference]: Without dead ends: 615 [2023-11-29 05:51:15,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:51:15,732 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1320 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 2715 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 2715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:15,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1242 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 2715 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 05:51:15,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2023-11-29 05:51:15,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 446. [2023-11-29 05:51:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 342 states have (on average 1.6111111111111112) internal successors, (551), 349 states have internal predecessors, (551), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2023-11-29 05:51:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 710 transitions. [2023-11-29 05:51:15,775 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 710 transitions. Word has length 150 [2023-11-29 05:51:15,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:15,775 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 710 transitions. [2023-11-29 05:51:15,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:51:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 710 transitions. [2023-11-29 05:51:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 05:51:15,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:15,780 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:15,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:51:15,780 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:15,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:15,780 INFO L85 PathProgramCache]: Analyzing trace with hash 371506668, now seen corresponding path program 1 times [2023-11-29 05:51:15,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:15,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470550742] [2023-11-29 05:51:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:15,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 05:51:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 05:51:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:51:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:51:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:51:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:51:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:51:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 05:51:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 05:51:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 05:51:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:51:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 05:51:16,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:16,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470550742] [2023-11-29 05:51:16,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470550742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:16,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:16,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:51:16,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391101430] [2023-11-29 05:51:16,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:16,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:51:16,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:16,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:51:16,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:51:16,122 INFO L87 Difference]: Start difference. First operand 446 states and 710 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-29 05:51:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:18,947 INFO L93 Difference]: Finished difference Result 1038 states and 1683 transitions. [2023-11-29 05:51:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:51:18,947 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 151 [2023-11-29 05:51:18,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:18,952 INFO L225 Difference]: With dead ends: 1038 [2023-11-29 05:51:18,952 INFO L226 Difference]: Without dead ends: 615 [2023-11-29 05:51:18,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:51:18,955 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1300 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 5013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:18,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 1718 Invalid, 5013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 05:51:18,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2023-11-29 05:51:18,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 446. [2023-11-29 05:51:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 342 states have (on average 1.6111111111111112) internal successors, (551), 349 states have internal predecessors, (551), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2023-11-29 05:51:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 709 transitions. [2023-11-29 05:51:18,999 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 709 transitions. Word has length 151 [2023-11-29 05:51:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:19,000 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 709 transitions. [2023-11-29 05:51:19,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-29 05:51:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 709 transitions. [2023-11-29 05:51:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:51:19,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:19,004 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:19,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:51:19,004 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:19,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2004074814, now seen corresponding path program 2 times [2023-11-29 05:51:19,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:19,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260042771] [2023-11-29 05:51:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 05:51:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 05:51:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:51:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:51:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:51:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 05:51:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 05:51:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 05:51:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 05:51:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-29 05:51:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 05:51:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 05:51:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260042771] [2023-11-29 05:51:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260042771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:19,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:19,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:51:19,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951239356] [2023-11-29 05:51:19,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:19,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:51:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:19,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:51:19,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:51:19,307 INFO L87 Difference]: Start difference. First operand 446 states and 709 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-29 05:51:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:21,973 INFO L93 Difference]: Finished difference Result 1040 states and 1689 transitions. [2023-11-29 05:51:21,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:51:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 152 [2023-11-29 05:51:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:21,978 INFO L225 Difference]: With dead ends: 1040 [2023-11-29 05:51:21,979 INFO L226 Difference]: Without dead ends: 617 [2023-11-29 05:51:21,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:51:21,981 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1298 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 4480 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 4970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 4480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:21,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 1719 Invalid, 4970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 4480 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 05:51:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2023-11-29 05:51:22,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 448. [2023-11-29 05:51:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 343 states have (on average 1.6093294460641399) internal successors, (552), 351 states have internal predecessors, (552), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2023-11-29 05:51:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 715 transitions. [2023-11-29 05:51:22,024 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 715 transitions. Word has length 152 [2023-11-29 05:51:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:22,025 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 715 transitions. [2023-11-29 05:51:22,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-29 05:51:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 715 transitions. [2023-11-29 05:51:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 05:51:22,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:22,029 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:22,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:51:22,029 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:22,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1009679023, now seen corresponding path program 1 times [2023-11-29 05:51:22,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:22,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127084981] [2023-11-29 05:51:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 05:51:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 05:51:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:51:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 05:51:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:51:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 05:51:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 05:51:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:51:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 05:51:22,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:22,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127084981] [2023-11-29 05:51:22,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127084981] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:51:22,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259438307] [2023-11-29 05:51:22,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:22,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:51:22,296 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:51:22,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:51:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:22,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:51:22,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:51:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 05:51:22,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:51:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 05:51:22,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259438307] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:51:22,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:51:22,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-11-29 05:51:22,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730848946] [2023-11-29 05:51:22,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:51:22,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 05:51:22,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:22,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 05:51:22,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:51:22,722 INFO L87 Difference]: Start difference. First operand 448 states and 715 transitions. Second operand has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (37), 6 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-29 05:51:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:26,181 INFO L93 Difference]: Finished difference Result 1479 states and 2500 transitions. [2023-11-29 05:51:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 05:51:26,182 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (37), 6 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 135 [2023-11-29 05:51:26,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:26,190 INFO L225 Difference]: With dead ends: 1479 [2023-11-29 05:51:26,190 INFO L226 Difference]: Without dead ends: 1057 [2023-11-29 05:51:26,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-11-29 05:51:26,192 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 2532 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 6234 mSolverCounterSat, 906 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2552 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 7140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 906 IncrementalHoareTripleChecker+Valid, 6234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:26,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2552 Valid, 2091 Invalid, 7140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [906 Valid, 6234 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 05:51:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2023-11-29 05:51:26,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 873. [2023-11-29 05:51:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 689 states have (on average 1.6545718432510885) internal successors, (1140), 697 states have internal predecessors, (1140), 155 states have call successors, (155), 24 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2023-11-29 05:51:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1471 transitions. [2023-11-29 05:51:26,242 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1471 transitions. Word has length 135 [2023-11-29 05:51:26,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:26,242 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1471 transitions. [2023-11-29 05:51:26,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (37), 6 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-29 05:51:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1471 transitions. [2023-11-29 05:51:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 05:51:26,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:26,248 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:26,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:51:26,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:51:26,448 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:26,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:26,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2085433589, now seen corresponding path program 1 times [2023-11-29 05:51:26,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:26,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658440723] [2023-11-29 05:51:26,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:26,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 05:51:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:51:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:51:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:51:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:51:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:51:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 05:51:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 05:51:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:51:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:51:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-29 05:51:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:26,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:26,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658440723] [2023-11-29 05:51:26,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658440723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:26,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:26,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:26,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922699123] [2023-11-29 05:51:26,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:26,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:26,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:26,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:26,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:26,594 INFO L87 Difference]: Start difference. First operand 873 states and 1471 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:28,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:28,411 INFO L93 Difference]: Finished difference Result 2254 states and 3889 transitions. [2023-11-29 05:51:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:28,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2023-11-29 05:51:28,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:28,423 INFO L225 Difference]: With dead ends: 2254 [2023-11-29 05:51:28,423 INFO L226 Difference]: Without dead ends: 1449 [2023-11-29 05:51:28,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:28,427 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 1425 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:28,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 939 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1593 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:51:28,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2023-11-29 05:51:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1275. [2023-11-29 05:51:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1012 states have (on average 1.66699604743083) internal successors, (1687), 1020 states have internal predecessors, (1687), 234 states have call successors, (234), 24 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2023-11-29 05:51:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 2186 transitions. [2023-11-29 05:51:28,518 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 2186 transitions. Word has length 157 [2023-11-29 05:51:28,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:28,519 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 2186 transitions. [2023-11-29 05:51:28,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2186 transitions. [2023-11-29 05:51:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 05:51:28,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:28,529 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:28,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:51:28,530 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:28,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:28,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2257392, now seen corresponding path program 1 times [2023-11-29 05:51:28,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:28,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209041253] [2023-11-29 05:51:28,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:28,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 05:51:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:51:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:51:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:51:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:51:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:51:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 05:51:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 05:51:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:51:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 05:51:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 05:51:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:28,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:28,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209041253] [2023-11-29 05:51:28,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209041253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:28,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:28,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:28,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921268463] [2023-11-29 05:51:28,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:28,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:28,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:28,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:28,672 INFO L87 Difference]: Start difference. First operand 1275 states and 2186 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:30,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:30,321 INFO L93 Difference]: Finished difference Result 3257 states and 5666 transitions. [2023-11-29 05:51:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:30,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2023-11-29 05:51:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:30,335 INFO L225 Difference]: With dead ends: 3257 [2023-11-29 05:51:30,335 INFO L226 Difference]: Without dead ends: 2100 [2023-11-29 05:51:30,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:30,340 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1441 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:30,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 911 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:51:30,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2023-11-29 05:51:30,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1926. [2023-11-29 05:51:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1926 states, 1544 states have (on average 1.6729274611398963) internal successors, (2583), 1552 states have internal predecessors, (2583), 353 states have call successors, (353), 24 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2023-11-29 05:51:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 3320 transitions. [2023-11-29 05:51:30,440 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 3320 transitions. Word has length 158 [2023-11-29 05:51:30,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:30,440 INFO L495 AbstractCegarLoop]: Abstraction has 1926 states and 3320 transitions. [2023-11-29 05:51:30,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 3320 transitions. [2023-11-29 05:51:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 05:51:30,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:30,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:30,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:51:30,460 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:30,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash 814861559, now seen corresponding path program 1 times [2023-11-29 05:51:30,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:30,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128950561] [2023-11-29 05:51:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:30,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 05:51:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:51:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:51:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:51:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 05:51:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 05:51:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:51:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 05:51:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 05:51:30,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:30,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128950561] [2023-11-29 05:51:30,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128950561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:30,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:30,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:30,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599223850] [2023-11-29 05:51:30,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:30,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:30,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:30,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:30,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:30,582 INFO L87 Difference]: Start difference. First operand 1926 states and 3320 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 05:51:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:32,214 INFO L93 Difference]: Finished difference Result 4781 states and 8384 transitions. [2023-11-29 05:51:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:32,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2023-11-29 05:51:32,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:32,233 INFO L225 Difference]: With dead ends: 4781 [2023-11-29 05:51:32,233 INFO L226 Difference]: Without dead ends: 3101 [2023-11-29 05:51:32,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:32,240 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1480 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:32,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 908 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:51:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2023-11-29 05:51:32,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2927. [2023-11-29 05:51:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2383 states have (on average 1.678136802349979) internal successors, (3999), 2391 states have internal predecessors, (3999), 515 states have call successors, (515), 24 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2023-11-29 05:51:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5076 transitions. [2023-11-29 05:51:32,433 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5076 transitions. Word has length 141 [2023-11-29 05:51:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:32,434 INFO L495 AbstractCegarLoop]: Abstraction has 2927 states and 5076 transitions. [2023-11-29 05:51:32,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 05:51:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5076 transitions. [2023-11-29 05:51:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 05:51:32,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:32,445 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:32,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:51:32,446 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:32,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:32,446 INFO L85 PathProgramCache]: Analyzing trace with hash 464094225, now seen corresponding path program 1 times [2023-11-29 05:51:32,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:32,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153360776] [2023-11-29 05:51:32,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:32,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 05:51:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:51:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:51:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:51:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:51:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 05:51:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 05:51:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 05:51:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 05:51:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 05:51:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 05:51:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:32,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153360776] [2023-11-29 05:51:32,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153360776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:32,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098188236] [2023-11-29 05:51:32,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:32,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:32,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:32,569 INFO L87 Difference]: Start difference. First operand 2927 states and 5076 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:34,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:34,297 INFO L93 Difference]: Finished difference Result 7193 states and 12697 transitions. [2023-11-29 05:51:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:34,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2023-11-29 05:51:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:34,335 INFO L225 Difference]: With dead ends: 7193 [2023-11-29 05:51:34,335 INFO L226 Difference]: Without dead ends: 4721 [2023-11-29 05:51:34,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:34,344 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1414 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:34,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 908 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [536 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:51:34,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2023-11-29 05:51:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4547. [2023-11-29 05:51:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4547 states, 3758 states have (on average 1.6820117083555082) internal successors, (6321), 3766 states have internal predecessors, (6321), 760 states have call successors, (760), 24 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2023-11-29 05:51:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 7914 transitions. [2023-11-29 05:51:34,656 INFO L78 Accepts]: Start accepts. Automaton has 4547 states and 7914 transitions. Word has length 160 [2023-11-29 05:51:34,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:34,656 INFO L495 AbstractCegarLoop]: Abstraction has 4547 states and 7914 transitions. [2023-11-29 05:51:34,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 4547 states and 7914 transitions. [2023-11-29 05:51:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 05:51:34,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:34,683 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:34,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:51:34,683 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:34,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:34,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1523590637, now seen corresponding path program 1 times [2023-11-29 05:51:34,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:34,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032933157] [2023-11-29 05:51:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:34,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:51:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:51:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 05:51:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:51:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 05:51:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 05:51:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 05:51:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 05:51:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 05:51:34,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:34,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032933157] [2023-11-29 05:51:34,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032933157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:34,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:34,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:34,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126698384] [2023-11-29 05:51:34,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:34,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:34,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:34,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:34,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:34,811 INFO L87 Difference]: Start difference. First operand 4547 states and 7914 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 05:51:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:36,632 INFO L93 Difference]: Finished difference Result 11270 states and 19950 transitions. [2023-11-29 05:51:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:36,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2023-11-29 05:51:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:36,690 INFO L225 Difference]: With dead ends: 11270 [2023-11-29 05:51:36,691 INFO L226 Difference]: Without dead ends: 7481 [2023-11-29 05:51:36,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:36,704 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1467 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:36,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 941 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:51:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7481 states. [2023-11-29 05:51:37,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7481 to 7307. [2023-11-29 05:51:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7307 states, 6025 states have (on average 1.675850622406639) internal successors, (10097), 6033 states have internal predecessors, (10097), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2023-11-29 05:51:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7307 states to 7307 states and 12720 transitions. [2023-11-29 05:51:37,164 INFO L78 Accepts]: Start accepts. Automaton has 7307 states and 12720 transitions. Word has length 143 [2023-11-29 05:51:37,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:37,164 INFO L495 AbstractCegarLoop]: Abstraction has 7307 states and 12720 transitions. [2023-11-29 05:51:37,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 05:51:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7307 states and 12720 transitions. [2023-11-29 05:51:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 05:51:37,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:37,200 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:37,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:51:37,200 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:37,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:37,200 INFO L85 PathProgramCache]: Analyzing trace with hash 63313779, now seen corresponding path program 1 times [2023-11-29 05:51:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:37,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856181061] [2023-11-29 05:51:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:37,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:51:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:51:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 05:51:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:51:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 05:51:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 05:51:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 05:51:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 05:51:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-29 05:51:37,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:37,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856181061] [2023-11-29 05:51:37,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856181061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:37,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:37,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:37,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553145105] [2023-11-29 05:51:37,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:37,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:37,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:37,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:37,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:37,321 INFO L87 Difference]: Start difference. First operand 7307 states and 12720 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 05:51:39,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:39,323 INFO L93 Difference]: Finished difference Result 18629 states and 32970 transitions. [2023-11-29 05:51:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:39,324 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2023-11-29 05:51:39,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:39,357 INFO L225 Difference]: With dead ends: 18629 [2023-11-29 05:51:39,357 INFO L226 Difference]: Without dead ends: 12466 [2023-11-29 05:51:39,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:39,370 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1417 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:39,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 909 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:51:39,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12466 states. [2023-11-29 05:51:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12466 to 12292. [2023-11-29 05:51:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12292 states, 10188 states have (on average 1.675598743619945) internal successors, (17071), 10196 states have internal predecessors, (17071), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2023-11-29 05:51:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12292 states to 12292 states and 21416 transitions. [2023-11-29 05:51:39,857 INFO L78 Accepts]: Start accepts. Automaton has 12292 states and 21416 transitions. Word has length 144 [2023-11-29 05:51:39,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:39,857 INFO L495 AbstractCegarLoop]: Abstraction has 12292 states and 21416 transitions. [2023-11-29 05:51:39,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 05:51:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 12292 states and 21416 transitions. [2023-11-29 05:51:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 05:51:39,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:39,888 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:39,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:51:39,889 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:39,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:39,889 INFO L85 PathProgramCache]: Analyzing trace with hash 974173795, now seen corresponding path program 1 times [2023-11-29 05:51:39,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:39,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569454711] [2023-11-29 05:51:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:39,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:51:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 05:51:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:51:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:51:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 05:51:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 05:51:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 05:51:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:51:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 05:51:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-29 05:51:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 05:51:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:39,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:39,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569454711] [2023-11-29 05:51:39,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569454711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:39,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:39,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:39,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882997540] [2023-11-29 05:51:39,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:39,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:39,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:39,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:39,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:39,997 INFO L87 Difference]: Start difference. First operand 12292 states and 21416 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:42,168 INFO L93 Difference]: Finished difference Result 29595 states and 52153 transitions. [2023-11-29 05:51:42,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:42,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2023-11-29 05:51:42,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:42,251 INFO L225 Difference]: With dead ends: 29595 [2023-11-29 05:51:42,251 INFO L226 Difference]: Without dead ends: 19426 [2023-11-29 05:51:42,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:42,279 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1435 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:42,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 882 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:51:42,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19426 states. [2023-11-29 05:51:43,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19426 to 19252. [2023-11-29 05:51:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19252 states, 15945 states have (on average 1.65343367826905) internal successors, (26364), 15953 states have internal predecessors, (26364), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2023-11-29 05:51:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19252 states to 19252 states and 33259 transitions. [2023-11-29 05:51:43,323 INFO L78 Accepts]: Start accepts. Automaton has 19252 states and 33259 transitions. Word has length 163 [2023-11-29 05:51:43,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:43,323 INFO L495 AbstractCegarLoop]: Abstraction has 19252 states and 33259 transitions. [2023-11-29 05:51:43,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 19252 states and 33259 transitions. [2023-11-29 05:51:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-29 05:51:43,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:43,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:43,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:51:43,364 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:43,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:43,365 INFO L85 PathProgramCache]: Analyzing trace with hash 336266518, now seen corresponding path program 1 times [2023-11-29 05:51:43,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:43,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836741524] [2023-11-29 05:51:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:51:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 05:51:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:51:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:51:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:51:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 05:51:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 05:51:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:51:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 05:51:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 05:51:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:51:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:43,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:43,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836741524] [2023-11-29 05:51:43,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836741524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:43,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:43,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:43,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385239073] [2023-11-29 05:51:43,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:43,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:43,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:43,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:43,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:43,495 INFO L87 Difference]: Start difference. First operand 19252 states and 33259 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:46,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:46,409 INFO L93 Difference]: Finished difference Result 51036 states and 89686 transitions. [2023-11-29 05:51:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:46,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2023-11-29 05:51:46,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:46,531 INFO L225 Difference]: With dead ends: 51036 [2023-11-29 05:51:46,531 INFO L226 Difference]: Without dead ends: 34555 [2023-11-29 05:51:46,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:46,569 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1379 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 542 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:46,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 910 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [542 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:51:46,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34555 states. [2023-11-29 05:51:47,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34555 to 34381. [2023-11-29 05:51:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34381 states, 28624 states have (on average 1.6506777529346004) internal successors, (47249), 28632 states have internal predecessors, (47249), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2023-11-29 05:51:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34381 states to 34381 states and 59318 transitions. [2023-11-29 05:51:47,967 INFO L78 Accepts]: Start accepts. Automaton has 34381 states and 59318 transitions. Word has length 164 [2023-11-29 05:51:47,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:47,967 INFO L495 AbstractCegarLoop]: Abstraction has 34381 states and 59318 transitions. [2023-11-29 05:51:47,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 34381 states and 59318 transitions. [2023-11-29 05:51:48,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-29 05:51:48,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:48,020 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:51:48,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:51:48,020 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:48,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:48,021 INFO L85 PathProgramCache]: Analyzing trace with hash -396169379, now seen corresponding path program 1 times [2023-11-29 05:51:48,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:48,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666304344] [2023-11-29 05:51:48,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:48,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:51:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:51:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:51:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 05:51:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:51:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 05:51:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 05:51:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:51:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 05:51:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 05:51:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:51:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:48,243 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:48,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:48,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666304344] [2023-11-29 05:51:48,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666304344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:48,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:48,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:48,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719784551] [2023-11-29 05:51:48,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:48,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:48,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:48,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:48,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:48,245 INFO L87 Difference]: Start difference. First operand 34381 states and 59318 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:51,956 INFO L93 Difference]: Finished difference Result 93918 states and 164280 transitions. [2023-11-29 05:51:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:51,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2023-11-29 05:51:51,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:52,121 INFO L225 Difference]: With dead ends: 93918 [2023-11-29 05:51:52,121 INFO L226 Difference]: Without dead ends: 63231 [2023-11-29 05:51:52,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:52,182 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1440 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:52,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 914 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:51:52,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63231 states. [2023-11-29 05:51:54,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63231 to 63057. [2023-11-29 05:51:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63057 states, 52787 states have (on average 1.647015363631197) internal successors, (86941), 52795 states have internal predecessors, (86941), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2023-11-29 05:51:54,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63057 states to 63057 states and 108568 transitions. [2023-11-29 05:51:54,477 INFO L78 Accepts]: Start accepts. Automaton has 63057 states and 108568 transitions. Word has length 165 [2023-11-29 05:51:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:51:54,478 INFO L495 AbstractCegarLoop]: Abstraction has 63057 states and 108568 transitions. [2023-11-29 05:51:54,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 63057 states and 108568 transitions. [2023-11-29 05:51:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 05:51:54,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:51:54,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:54,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:51:54,540 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:51:54,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:51:54,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1334197162, now seen corresponding path program 1 times [2023-11-29 05:51:54,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:51:54,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173324782] [2023-11-29 05:51:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:51:54,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:51:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:51:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:51:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:51:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:51:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:51:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:51:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:51:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:51:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:51:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:51:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 05:51:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 05:51:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 05:51:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 05:51:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 05:51:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 05:51:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:51:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:51:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:51:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:51:54,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:51:54,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173324782] [2023-11-29 05:51:54,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173324782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:51:54,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:51:54,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:51:54,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103416791] [2023-11-29 05:51:54,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:51:54,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:51:54,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:51:54,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:51:54,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:51:54,684 INFO L87 Difference]: Start difference. First operand 63057 states and 108568 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:51:59,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:51:59,373 INFO L93 Difference]: Finished difference Result 118298 states and 207432 transitions. [2023-11-29 05:51:59,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:51:59,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2023-11-29 05:51:59,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:51:59,778 INFO L225 Difference]: With dead ends: 118298 [2023-11-29 05:51:59,778 INFO L226 Difference]: Without dead ends: 118117 [2023-11-29 05:51:59,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:51:59,816 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1423 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 573 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:51:59,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 910 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [573 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:51:59,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118117 states. [2023-11-29 05:52:04,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118117 to 117943. [2023-11-29 05:52:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117943 states, 99305 states have (on average 1.6423241528623935) internal successors, (163091), 99313 states have internal predecessors, (163091), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2023-11-29 05:52:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117943 states to 117943 states and 202500 transitions. [2023-11-29 05:52:05,131 INFO L78 Accepts]: Start accepts. Automaton has 117943 states and 202500 transitions. Word has length 166 [2023-11-29 05:52:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:52:05,131 INFO L495 AbstractCegarLoop]: Abstraction has 117943 states and 202500 transitions. [2023-11-29 05:52:05,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 05:52:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 117943 states and 202500 transitions. [2023-11-29 05:52:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 05:52:05,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:52:05,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:05,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:52:05,207 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:52:05,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:52:05,207 INFO L85 PathProgramCache]: Analyzing trace with hash -856559428, now seen corresponding path program 1 times [2023-11-29 05:52:05,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:52:05,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273646083] [2023-11-29 05:52:05,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:52:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:52:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:52:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:52:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:52:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:52:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:52:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:52:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:52:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:52:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:52:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 05:52:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 05:52:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 05:52:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 05:52:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 05:52:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 05:52:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 05:52:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-29 05:52:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:52:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:52:05,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:52:05,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273646083] [2023-11-29 05:52:05,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273646083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:52:05,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:52:05,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 05:52:05,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136978873] [2023-11-29 05:52:05,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:52:05,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:52:05,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:52:05,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:52:05,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:52:05,434 INFO L87 Difference]: Start difference. First operand 117943 states and 202500 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:52:14,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:52:14,619 INFO L93 Difference]: Finished difference Result 227111 states and 397779 transitions. [2023-11-29 05:52:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 05:52:14,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 167 [2023-11-29 05:52:14,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:52:15,549 INFO L225 Difference]: With dead ends: 227111 [2023-11-29 05:52:15,549 INFO L226 Difference]: Without dead ends: 226937 [2023-11-29 05:52:15,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=255, Invalid=737, Unknown=0, NotChecked=0, Total=992 [2023-11-29 05:52:15,598 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 2893 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 3569 mSolverCounterSat, 1038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 4607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1038 IncrementalHoareTripleChecker+Valid, 3569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:52:15,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2910 Valid, 1611 Invalid, 4607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1038 Valid, 3569 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 05:52:15,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226937 states. [2023-11-29 05:52:23,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226937 to 226577. [2023-11-29 05:52:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226577 states, 190804 states have (on average 1.6454424435546424) internal successors, (313957), 190760 states have internal predecessors, (313957), 35720 states have call successors, (35720), 47 states have call predecessors, (35720), 52 states have return successors, (39003), 35773 states have call predecessors, (39003), 35718 states have call successors, (39003) [2023-11-29 05:52:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226577 states to 226577 states and 388680 transitions. [2023-11-29 05:52:25,750 INFO L78 Accepts]: Start accepts. Automaton has 226577 states and 388680 transitions. Word has length 167 [2023-11-29 05:52:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:52:25,751 INFO L495 AbstractCegarLoop]: Abstraction has 226577 states and 388680 transitions. [2023-11-29 05:52:25,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:52:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 226577 states and 388680 transitions. [2023-11-29 05:52:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 05:52:25,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:52:25,898 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:52:25,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:52:25,898 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:52:25,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:52:25,899 INFO L85 PathProgramCache]: Analyzing trace with hash -167770630, now seen corresponding path program 1 times [2023-11-29 05:52:25,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:52:25,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083033248] [2023-11-29 05:52:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:52:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:52:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:52:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:52:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:52:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:52:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:52:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:52:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:52:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:52:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:52:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 05:52:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 05:52:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 05:52:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 05:52:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-29 05:52:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:52:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-29 05:52:26,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:52:26,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083033248] [2023-11-29 05:52:26,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083033248] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:52:26,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321270255] [2023-11-29 05:52:26,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:52:26,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:52:26,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:52:26,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:52:26,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:52:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:52:26,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 05:52:26,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:52:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 05:52:27,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:52:27,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321270255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:52:27,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:52:27,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2023-11-29 05:52:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984966665] [2023-11-29 05:52:27,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:52:27,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:52:27,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:52:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:52:27,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-11-29 05:52:27,445 INFO L87 Difference]: Start difference. First operand 226577 states and 388680 transitions. Second operand has 12 states, 11 states have (on average 10.0) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2023-11-29 05:52:40,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:52:40,127 INFO L93 Difference]: Finished difference Result 451922 states and 785693 transitions. [2023-11-29 05:52:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:52:40,127 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.0) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 149 [2023-11-29 05:52:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:52:42,016 INFO L225 Difference]: With dead ends: 451922 [2023-11-29 05:52:42,016 INFO L226 Difference]: Without dead ends: 451570 [2023-11-29 05:52:42,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 05:52:42,134 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1319 mSDsluCounter, 4361 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:52:42,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 5038 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:52:42,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451570 states. [2023-11-29 05:53:00,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451570 to 451538. [2023-11-29 05:53:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451538 states, 380302 states have (on average 1.645820952821705) internal successors, (625909), 380072 states have internal predecessors, (625909), 71100 states have call successors, (71100), 123 states have call predecessors, (71100), 135 states have return successors, (85965), 71354 states have call predecessors, (85965), 71094 states have call successors, (85965) [2023-11-29 05:53:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451538 states to 451538 states and 782974 transitions. [2023-11-29 05:53:02,445 INFO L78 Accepts]: Start accepts. Automaton has 451538 states and 782974 transitions. Word has length 149 [2023-11-29 05:53:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:53:02,445 INFO L495 AbstractCegarLoop]: Abstraction has 451538 states and 782974 transitions. [2023-11-29 05:53:02,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.0) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2023-11-29 05:53:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 451538 states and 782974 transitions. [2023-11-29 05:53:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 05:53:03,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:53:03,101 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:53:03,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:53:03,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:53:03,302 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:53:03,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:53:03,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1869606213, now seen corresponding path program 1 times [2023-11-29 05:53:03,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:53:03,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728468823] [2023-11-29 05:53:03,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:53:03,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:53:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:53:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:53:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:53:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:53:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:53:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:53:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:53:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:53:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:53:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:53:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 05:53:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 05:53:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 05:53:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:53:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:53:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 05:53:03,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:53:03,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728468823] [2023-11-29 05:53:03,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728468823] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:53:03,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853163223] [2023-11-29 05:53:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:53:03,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:53:03,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:53:03,484 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:53:03,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:53:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:03,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:53:03,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:53:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:53:03,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:53:03,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853163223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:53:03,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:53:03,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 05:53:03,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382547129] [2023-11-29 05:53:03,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:53:03,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:53:03,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:53:03,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:53:03,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:53:03,859 INFO L87 Difference]: Start difference. First operand 451538 states and 782974 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 05:53:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:53:15,551 INFO L93 Difference]: Finished difference Result 452260 states and 784051 transitions. [2023-11-29 05:53:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:53:15,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 150 [2023-11-29 05:53:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:53:17,403 INFO L225 Difference]: With dead ends: 452260 [2023-11-29 05:53:17,403 INFO L226 Difference]: Without dead ends: 451550 [2023-11-29 05:53:17,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:53:17,516 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 4 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:53:17,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2183 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:53:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451550 states. [2023-11-29 05:53:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451550 to 451546. [2023-11-29 05:53:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451546 states, 380306 states have (on average 1.645814160176279) internal successors, (625913), 380080 states have internal predecessors, (625913), 71100 states have call successors, (71100), 123 states have call predecessors, (71100), 139 states have return successors, (85981), 71354 states have call predecessors, (85981), 71094 states have call successors, (85981) [2023-11-29 05:53:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451546 states to 451546 states and 782994 transitions. [2023-11-29 05:53:38,109 INFO L78 Accepts]: Start accepts. Automaton has 451546 states and 782994 transitions. Word has length 150 [2023-11-29 05:53:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:53:38,110 INFO L495 AbstractCegarLoop]: Abstraction has 451546 states and 782994 transitions. [2023-11-29 05:53:38,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 05:53:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 451546 states and 782994 transitions. [2023-11-29 05:53:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 05:53:38,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:53:38,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:38,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:53:38,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde4a22a-45a3-426c-8d88-e376bf331cbe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:53:38,552 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:53:38,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:53:38,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1145137039, now seen corresponding path program 1 times [2023-11-29 05:53:38,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:53:38,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814926875] [2023-11-29 05:53:38,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:53:38,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:53:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:53:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:53:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:53:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:53:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:53:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:53:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:53:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:53:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:53:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:53:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 05:53:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 05:53:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 05:53:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 05:53:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-29 05:53:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:53:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 05:53:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:53:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:53:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 05:53:38,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:53:38,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814926875] [2023-11-29 05:53:38,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814926875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:53:38,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:53:38,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 05:53:38,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753827958] [2023-11-29 05:53:38,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:53:38,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 05:53:38,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:53:38,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 05:53:38,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:53:38,759 INFO L87 Difference]: Start difference. First operand 451546 states and 782994 transitions. Second operand has 13 states, 12 states have (on average 9.0) internal successors, (108), 7 states have internal predecessors, (108), 5 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18)