./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd --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 7ed16a2a74d5e33f66ab9b575b27ed24f9a6964adc1478fcc08a5f7b11595b14 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:01:40,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:01:40,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:01:40,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:01:40,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:01:40,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:01:40,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:01:40,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:01:40,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:01:40,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:01:40,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:01:40,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:01:40,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:01:40,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:01:40,571 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:01:40,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:01:40,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:01:40,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:01:40,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:01:40,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:01:40,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:01:40,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:01:40,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:01:40,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:01:40,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:01:40,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:40,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:01:40,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:01:40,577 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd 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 -> 7ed16a2a74d5e33f66ab9b575b27ed24f9a6964adc1478fcc08a5f7b11595b14 [2024-11-13 14:01:40,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:01:40,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:01:40,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:01:40,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:01:40,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:01:40,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c Unable to find full path for "g++" [2024-11-13 14:01:42,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:01:43,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:01:43,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c [2024-11-13 14:01:43,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/data/63eb18d57/0df3337b90f8408c90d82da02055f0c5/FLAGd9dd065da [2024-11-13 14:01:43,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/data/63eb18d57/0df3337b90f8408c90d82da02055f0c5 [2024-11-13 14:01:43,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:01:43,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:01:43,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:43,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:01:43,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:01:43,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:43" (1/1) ... [2024-11-13 14:01:43,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6454b98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:43, skipping insertion in model container [2024-11-13 14:01:43,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:43" (1/1) ... [2024-11-13 14:01:43,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:01:44,257 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c[5573,5586] [2024-11-13 14:01:44,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:44,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:01:44,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-13 14:01:44,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [225] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [234] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [600] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [620] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [658] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1108] [2024-11-13 14:01:44,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2179] [2024-11-13 14:01:44,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2412] [2024-11-13 14:01:44,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2710] [2024-11-13 14:01:44,691 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c[5573,5586] [2024-11-13 14:01:44,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:44,866 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:01:44,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44 WrapperNode [2024-11-13 14:01:44,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:44,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:44,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:01:44,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:01:44,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:44,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:44,971 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1143 [2024-11-13 14:01:44,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:44,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:01:44,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:01:44,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:01:44,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:44,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:44,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,013 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-13 14:01:45,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:01:45,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:01:45,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:01:45,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:01:45,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (1/1) ... [2024-11-13 14:01:45,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:45,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:01:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-13 14:01:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-13 14:01:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-13 14:01:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-13 14:01:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-13 14:01:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-13 14:01:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-13 14:01:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-13 14:01:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-13 14:01:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-13 14:01:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-13 14:01:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-13 14:01:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-13 14:01:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-13 14:01:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-13 14:01:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-13 14:01:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-13 14:01:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-13 14:01:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-13 14:01:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-13 14:01:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-13 14:01:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-13 14:01:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-13 14:01:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-13 14:01:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-13 14:01:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-13 14:01:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-13 14:01:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-13 14:01:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-13 14:01:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-13 14:01:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-13 14:01:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-13 14:01:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:01:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-13 14:01:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-13 14:01:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-13 14:01:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-13 14:01:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-13 14:01:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-13 14:01:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-13 14:01:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-13 14:01:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:01:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:01:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:01:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:01:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-13 14:01:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-13 14:01:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-13 14:01:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-13 14:01:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:01:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:01:45,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:01:45,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:01:46,875 INFO L? ?]: Removed 604 outVars from TransFormulas that were not future-live. [2024-11-13 14:01:46,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:01:46,906 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:01:46,909 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:01:46,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:46 BoogieIcfgContainer [2024-11-13 14:01:46,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:01:46,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:01:46,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:01:46,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:01:46,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:01:43" (1/3) ... [2024-11-13 14:01:46,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41411fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:01:46, skipping insertion in model container [2024-11-13 14:01:46,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:44" (2/3) ... [2024-11-13 14:01:46,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41411fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:01:46, skipping insertion in model container [2024-11-13 14:01:46,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:46" (3/3) ... [2024-11-13 14:01:46,924 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2024-11-13 14:01:46,937 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:01:46,939 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product35.cil.c that has 30 procedures, 463 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:01:47,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:01:47,041 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b0070ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:01:47,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:01:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 358 states have (on average 1.5363128491620113) internal successors, (550), 363 states have internal predecessors, (550), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 14:01:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 14:01:47,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:47,073 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:47,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:47,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2100327632, now seen corresponding path program 1 times [2024-11-13 14:01:47,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:47,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230319938] [2024-11-13 14:01:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:01:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:01:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:01:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:01:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 14:01:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:01:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:01:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:01:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:01:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:01:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:01:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:01:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:01:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:01:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:01:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:01:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:01:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:01:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:01:48,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:48,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230319938] [2024-11-13 14:01:48,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230319938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:48,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419191025] [2024-11-13 14:01:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:48,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:48,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:48,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:48,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:01:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:01:48,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 14:01:49,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:01:49,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419191025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:49,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:01:49,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-13 14:01:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585166543] [2024-11-13 14:01:49,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:49,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:01:49,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:49,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:01:49,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:49,073 INFO L87 Difference]: Start difference. First operand has 463 states, 358 states have (on average 1.5363128491620113) internal successors, (550), 363 states have internal predecessors, (550), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:01:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:49,185 INFO L93 Difference]: Finished difference Result 728 states and 1078 transitions. [2024-11-13 14:01:49,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:01:49,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 177 [2024-11-13 14:01:49,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:49,207 INFO L225 Difference]: With dead ends: 728 [2024-11-13 14:01:49,207 INFO L226 Difference]: Without dead ends: 456 [2024-11-13 14:01:49,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:49,216 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:49,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-13 14:01:49,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-13 14:01:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 352 states have (on average 1.53125) internal successors, (539), 356 states have internal predecessors, (539), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:01:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 686 transitions. [2024-11-13 14:01:49,309 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 686 transitions. Word has length 177 [2024-11-13 14:01:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:49,311 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 686 transitions. [2024-11-13 14:01:49,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:01:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 686 transitions. [2024-11-13 14:01:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 14:01:49,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:49,321 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:49,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:01:49,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 14:01:49,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:49,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:49,526 INFO L85 PathProgramCache]: Analyzing trace with hash 447726564, now seen corresponding path program 1 times [2024-11-13 14:01:49,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:49,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610385935] [2024-11-13 14:01:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:49,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:01:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:01:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:01:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:01:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:01:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:01:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:01:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:01:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:01:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:01:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:01:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:01:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:01:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:01:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:01:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 14:01:50,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:50,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610385935] [2024-11-13 14:01:50,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610385935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581538684] [2024-11-13 14:01:50,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:50,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:50,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:50,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:50,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:01:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:01:50,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 14:01:50,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:01:50,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581538684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:50,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:01:50,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-13 14:01:50,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609901354] [2024-11-13 14:01:50,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:50,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:50,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:50,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:50,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:01:50,712 INFO L87 Difference]: Start difference. First operand 456 states and 686 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:01:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:50,776 INFO L93 Difference]: Finished difference Result 718 states and 1056 transitions. [2024-11-13 14:01:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:50,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2024-11-13 14:01:50,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:50,781 INFO L225 Difference]: With dead ends: 718 [2024-11-13 14:01:50,781 INFO L226 Difference]: Without dead ends: 459 [2024-11-13 14:01:50,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:01:50,784 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 1 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:50,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1366 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:50,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-13 14:01:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 458. [2024-11-13 14:01:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 354 states have (on average 1.5282485875706215) internal successors, (541), 358 states have internal predecessors, (541), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:01:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 688 transitions. [2024-11-13 14:01:50,839 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 688 transitions. Word has length 159 [2024-11-13 14:01:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:50,843 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 688 transitions. [2024-11-13 14:01:50,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:01:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 688 transitions. [2024-11-13 14:01:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 14:01:50,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:50,849 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:50,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:01:51,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:51,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:51,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1297850949, now seen corresponding path program 1 times [2024-11-13 14:01:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:51,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371998920] [2024-11-13 14:01:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:01:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:01:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:01:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 14:01:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:01:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:01:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:01:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:01:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:01:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:01:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:01:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:01:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:01:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:01:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:01:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:01:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:01:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:01:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:01:51,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:51,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371998920] [2024-11-13 14:01:51,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371998920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:51,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120444470] [2024-11-13 14:01:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:51,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:51,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:01:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:01:52,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 14:01:52,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:01:52,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120444470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:52,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:01:52,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-13 14:01:52,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313134445] [2024-11-13 14:01:52,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:52,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:52,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:52,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:52,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:01:52,070 INFO L87 Difference]: Start difference. First operand 458 states and 688 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:01:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:52,152 INFO L93 Difference]: Finished difference Result 969 states and 1476 transitions. [2024-11-13 14:01:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:52,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 187 [2024-11-13 14:01:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:52,162 INFO L225 Difference]: With dead ends: 969 [2024-11-13 14:01:52,163 INFO L226 Difference]: Without dead ends: 538 [2024-11-13 14:01:52,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:01:52,166 INFO L432 NwaCegarLoop]: 699 mSDtfsCounter, 142 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:52,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1339 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:52,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-13 14:01:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 530. [2024-11-13 14:01:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 412 states have (on average 1.5485436893203883) internal successors, (638), 416 states have internal predecessors, (638), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-13 14:01:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 813 transitions. [2024-11-13 14:01:52,220 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 813 transitions. Word has length 187 [2024-11-13 14:01:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:52,222 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 813 transitions. [2024-11-13 14:01:52,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:01:52,223 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 813 transitions. [2024-11-13 14:01:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-13 14:01:52,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:52,230 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:52,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:01:52,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:52,435 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:52,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:52,435 INFO L85 PathProgramCache]: Analyzing trace with hash -453967908, now seen corresponding path program 1 times [2024-11-13 14:01:52,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:52,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580970939] [2024-11-13 14:01:52,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:52,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:01:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:01:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:01:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 14:01:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:01:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:01:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:01:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:01:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:01:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:01:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:01:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:01:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:01:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:01:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:01:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:01:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:01:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 14:01:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:01:52,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:52,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580970939] [2024-11-13 14:01:52,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580970939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:52,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278244905] [2024-11-13 14:01:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:52,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:52,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:52,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:01:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:53,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:01:53,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 14:01:53,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:01:53,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278244905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:53,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:01:53,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-13 14:01:53,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040138082] [2024-11-13 14:01:53,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:53,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:01:53,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:53,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:01:53,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:01:53,519 INFO L87 Difference]: Start difference. First operand 530 states and 813 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:01:53,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:53,623 INFO L93 Difference]: Finished difference Result 1051 states and 1616 transitions. [2024-11-13 14:01:53,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:01:53,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 188 [2024-11-13 14:01:53,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:53,630 INFO L225 Difference]: With dead ends: 1051 [2024-11-13 14:01:53,632 INFO L226 Difference]: Without dead ends: 532 [2024-11-13 14:01:53,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:01:53,638 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 2 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:53,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2701 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-13 14:01:53,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2024-11-13 14:01:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 413 states have (on average 1.5472154963680387) internal successors, (639), 418 states have internal predecessors, (639), 88 states have call successors, (88), 29 states have call predecessors, (88), 30 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2024-11-13 14:01:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 816 transitions. [2024-11-13 14:01:53,668 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 816 transitions. Word has length 188 [2024-11-13 14:01:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:53,669 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 816 transitions. [2024-11-13 14:01:53,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:01:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 816 transitions. [2024-11-13 14:01:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 14:01:53,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:53,674 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:53,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:53,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:53,878 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:53,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -996726644, now seen corresponding path program 1 times [2024-11-13 14:01:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696422855] [2024-11-13 14:01:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:01:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 14:01:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:01:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:01:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:01:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:01:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:01:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:01:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:01:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:01:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:01:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:01:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:01:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:01:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:01:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:01:54,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:54,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696422855] [2024-11-13 14:01:54,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696422855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:54,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95376042] [2024-11-13 14:01:54,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:54,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:54,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:54,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:01:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:01:54,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 14:01:54,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:01:54,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95376042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:54,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:01:54,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-13 14:01:54,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907489134] [2024-11-13 14:01:54,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:54,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:01:54,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:54,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:01:54,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:01:54,926 INFO L87 Difference]: Start difference. First operand 532 states and 816 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 14:01:55,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:55,027 INFO L93 Difference]: Finished difference Result 1053 states and 1621 transitions. [2024-11-13 14:01:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:01:55,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 170 [2024-11-13 14:01:55,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:55,032 INFO L225 Difference]: With dead ends: 1053 [2024-11-13 14:01:55,032 INFO L226 Difference]: Without dead ends: 534 [2024-11-13 14:01:55,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:01:55,036 INFO L432 NwaCegarLoop]: 676 mSDtfsCounter, 2 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:55,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2687 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:55,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-13 14:01:55,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 534. [2024-11-13 14:01:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 414 states have (on average 1.5458937198067633) internal successors, (640), 420 states have internal predecessors, (640), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-11-13 14:01:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 822 transitions. [2024-11-13 14:01:55,080 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 822 transitions. Word has length 170 [2024-11-13 14:01:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:55,080 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 822 transitions. [2024-11-13 14:01:55,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 14:01:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 822 transitions. [2024-11-13 14:01:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 14:01:55,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:55,086 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:55,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:55,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:55,287 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:55,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:55,287 INFO L85 PathProgramCache]: Analyzing trace with hash -851669261, now seen corresponding path program 1 times [2024-11-13 14:01:55,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:55,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910508117] [2024-11-13 14:01:55,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:55,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:01:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:01:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 14:01:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:01:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:01:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:01:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:01:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:01:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:01:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:01:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:01:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:01:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:01:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:01:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:01:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:01:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 14:01:55,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:55,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910508117] [2024-11-13 14:01:55,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910508117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:55,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:55,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:01:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992771401] [2024-11-13 14:01:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:55,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:55,613 INFO L87 Difference]: Start difference. First operand 534 states and 822 transitions. Second operand has 9 states, 8 states have (on average 12.625) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 14:01:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:59,486 INFO L93 Difference]: Finished difference Result 1287 states and 2003 transitions. [2024-11-13 14:01:59,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:01:59,486 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.625) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 171 [2024-11-13 14:01:59,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:59,495 INFO L225 Difference]: With dead ends: 1287 [2024-11-13 14:01:59,495 INFO L226 Difference]: Without dead ends: 776 [2024-11-13 14:01:59,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:01:59,500 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1712 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3355 mSolverCounterSat, 581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 581 IncrementalHoareTripleChecker+Valid, 3355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:59,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 1403 Invalid, 3936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [581 Valid, 3355 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 14:01:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-13 14:01:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 534. [2024-11-13 14:01:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 414 states have (on average 1.5458937198067633) internal successors, (640), 420 states have internal predecessors, (640), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2024-11-13 14:01:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 821 transitions. [2024-11-13 14:01:59,580 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 821 transitions. Word has length 171 [2024-11-13 14:01:59,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:59,582 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 821 transitions. [2024-11-13 14:01:59,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.625) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 14:01:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 821 transitions. [2024-11-13 14:01:59,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:01:59,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:59,587 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:59,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:01:59,587 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:01:59,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash 821356749, now seen corresponding path program 1 times [2024-11-13 14:01:59,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:59,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232452596] [2024-11-13 14:01:59,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:59,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:01:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:01:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:01:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:01:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:01:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:01:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:01:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:01:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:01:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:01:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:01:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:01:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:01:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:01:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:01:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:01:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:01:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:02:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:02:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:02:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:02:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:02:00,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:00,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232452596] [2024-11-13 14:02:00,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232452596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:00,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:00,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:02:00,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057050541] [2024-11-13 14:02:00,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:00,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:02:00,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:00,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:02:00,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:02:00,028 INFO L87 Difference]: Start difference. First operand 534 states and 821 transitions. Second operand has 9 states, 8 states have (on average 13.625) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:02:03,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:03,852 INFO L93 Difference]: Finished difference Result 1289 states and 2006 transitions. [2024-11-13 14:02:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:02:03,853 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 191 [2024-11-13 14:02:03,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:03,860 INFO L225 Difference]: With dead ends: 1289 [2024-11-13 14:02:03,860 INFO L226 Difference]: Without dead ends: 778 [2024-11-13 14:02:03,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:02:03,863 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1601 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3512 mSolverCounterSat, 590 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 4102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 3512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:03,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 1401 Invalid, 4102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [590 Valid, 3512 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 14:02:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-13 14:02:03,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 536. [2024-11-13 14:02:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 415 states have (on average 1.544578313253012) internal successors, (641), 422 states have internal predecessors, (641), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (95), 86 states have call predecessors, (95), 87 states have call successors, (95) [2024-11-13 14:02:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2024-11-13 14:02:03,970 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 191 [2024-11-13 14:02:03,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:03,971 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2024-11-13 14:02:03,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:02:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2024-11-13 14:02:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 14:02:03,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:03,975 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:03,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:02:03,976 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:03,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1135304792, now seen corresponding path program 1 times [2024-11-13 14:02:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44195437] [2024-11-13 14:02:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:02:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:02:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:02:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:02:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:02:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:02:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:02:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:02:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:02:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:02:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:02:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:02:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:02:04,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:04,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44195437] [2024-11-13 14:02:04,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44195437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:04,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:04,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:02:04,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941176596] [2024-11-13 14:02:04,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:04,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:02:04,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:04,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:02:04,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:02:04,312 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-13 14:02:08,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:08,871 INFO L93 Difference]: Finished difference Result 1287 states and 2001 transitions. [2024-11-13 14:02:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:02:08,871 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 173 [2024-11-13 14:02:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:08,878 INFO L225 Difference]: With dead ends: 1287 [2024-11-13 14:02:08,878 INFO L226 Difference]: Without dead ends: 778 [2024-11-13 14:02:08,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:02:08,881 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1742 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5380 mSolverCounterSat, 608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 5988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 5380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:08,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 1941 Invalid, 5988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [608 Valid, 5380 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 14:02:08,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-13 14:02:08,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 536. [2024-11-13 14:02:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 415 states have (on average 1.544578313253012) internal successors, (641), 422 states have internal predecessors, (641), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-11-13 14:02:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 823 transitions. [2024-11-13 14:02:08,941 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 823 transitions. Word has length 173 [2024-11-13 14:02:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:08,941 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 823 transitions. [2024-11-13 14:02:08,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-13 14:02:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 823 transitions. [2024-11-13 14:02:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 14:02:08,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:08,946 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:08,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:02:08,946 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:08,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1997226247, now seen corresponding path program 2 times [2024-11-13 14:02:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550205411] [2024-11-13 14:02:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:02:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 14:02:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:02:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:02:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:02:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:02:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:02:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:02:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:02:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:02:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:02:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:02:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:02:09,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:09,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550205411] [2024-11-13 14:02:09,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550205411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:09,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:09,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:02:09,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918141750] [2024-11-13 14:02:09,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:09,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:02:09,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:09,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:02:09,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:02:09,273 INFO L87 Difference]: Start difference. First operand 536 states and 823 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-13 14:02:13,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:13,271 INFO L93 Difference]: Finished difference Result 1289 states and 2007 transitions. [2024-11-13 14:02:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:02:13,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 174 [2024-11-13 14:02:13,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:13,278 INFO L225 Difference]: With dead ends: 1289 [2024-11-13 14:02:13,279 INFO L226 Difference]: Without dead ends: 780 [2024-11-13 14:02:13,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:02:13,282 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1757 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5265 mSolverCounterSat, 619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 5884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 5265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:13,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 1943 Invalid, 5884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [619 Valid, 5265 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 14:02:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-13 14:02:13,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 538. [2024-11-13 14:02:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 416 states have (on average 1.5432692307692308) internal successors, (642), 424 states have internal predecessors, (642), 88 states have call successors, (88), 29 states have call predecessors, (88), 33 states have return successors, (99), 86 states have call predecessors, (99), 87 states have call successors, (99) [2024-11-13 14:02:13,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 829 transitions. [2024-11-13 14:02:13,372 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 829 transitions. Word has length 174 [2024-11-13 14:02:13,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:13,373 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 829 transitions. [2024-11-13 14:02:13,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-13 14:02:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 829 transitions. [2024-11-13 14:02:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-13 14:02:13,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:13,378 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:13,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:02:13,378 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:13,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:13,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1458674986, now seen corresponding path program 1 times [2024-11-13 14:02:13,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:13,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910948697] [2024-11-13 14:02:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:02:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:02:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:02:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:02:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:02:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:02:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:02:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:02:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:02:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:02:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:02:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:02:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:02:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 14:02:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 14:02:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 14:02:13,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:13,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910948697] [2024-11-13 14:02:13,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910948697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:13,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571948139] [2024-11-13 14:02:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:13,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:13,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:13,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:13,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:02:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:14,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:02:14,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 14:02:14,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 14:02:14,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571948139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:14,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:14,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-13 14:02:14,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862967207] [2024-11-13 14:02:14,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:14,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:02:14,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:14,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:02:14,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:02:14,397 INFO L87 Difference]: Start difference. First operand 538 states and 829 transitions. Second operand has 15 states, 14 states have (on average 12.785714285714286) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (52), 6 states have call predecessors, (52), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-13 14:02:19,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:19,003 INFO L93 Difference]: Finished difference Result 1754 states and 2844 transitions. [2024-11-13 14:02:19,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:02:19,004 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.785714285714286) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (52), 6 states have call predecessors, (52), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 194 [2024-11-13 14:02:19,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:19,013 INFO L225 Difference]: With dead ends: 1754 [2024-11-13 14:02:19,013 INFO L226 Difference]: Without dead ends: 1247 [2024-11-13 14:02:19,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-13 14:02:19,016 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 2985 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 6645 mSolverCounterSat, 1024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 7669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1024 IncrementalHoareTripleChecker+Valid, 6645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:19,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 2281 Invalid, 7669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1024 Valid, 6645 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 14:02:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2024-11-13 14:02:19,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 981. [2024-11-13 14:02:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 780 states have (on average 1.6) internal successors, (1248), 788 states have internal predecessors, (1248), 167 states have call successors, (167), 29 states have call predecessors, (167), 33 states have return successors, (188), 165 states have call predecessors, (188), 166 states have call successors, (188) [2024-11-13 14:02:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1603 transitions. [2024-11-13 14:02:19,137 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1603 transitions. Word has length 194 [2024-11-13 14:02:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:19,139 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1603 transitions. [2024-11-13 14:02:19,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.785714285714286) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (52), 6 states have call predecessors, (52), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-13 14:02:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1603 transitions. [2024-11-13 14:02:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 14:02:19,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:19,147 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:19,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:19,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbb46a-1a33-4c3a-96e6-7f62ef372ae0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 14:02:19,347 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:19,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:19,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2093537127, now seen corresponding path program 1 times [2024-11-13 14:02:19,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:19,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165177471] [2024-11-13 14:02:19,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:19,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:02:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:02:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:02:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:02:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:02:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:02:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:02:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:02:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:02:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:02:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:02:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:02:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:19,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165177471] [2024-11-13 14:02:19,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165177471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:19,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:19,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:19,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113312117] [2024-11-13 14:02:19,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:19,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:19,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:19,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:19,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:19,503 INFO L87 Difference]: Start difference. First operand 981 states and 1603 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:21,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:21,907 INFO L93 Difference]: Finished difference Result 2549 states and 4253 transitions. [2024-11-13 14:02:21,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:21,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 178 [2024-11-13 14:02:21,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:21,917 INFO L225 Difference]: With dead ends: 2549 [2024-11-13 14:02:21,917 INFO L226 Difference]: Without dead ends: 1646 [2024-11-13 14:02:21,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:21,920 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1850 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:21,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 1049 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:02:21,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-11-13 14:02:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1396. [2024-11-13 14:02:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1116 states have (on average 1.6200716845878136) internal successors, (1808), 1124 states have internal predecessors, (1808), 246 states have call successors, (246), 29 states have call predecessors, (246), 33 states have return successors, (277), 244 states have call predecessors, (277), 245 states have call successors, (277) [2024-11-13 14:02:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 2331 transitions. [2024-11-13 14:02:22,019 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 2331 transitions. Word has length 178 [2024-11-13 14:02:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:22,019 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 2331 transitions. [2024-11-13 14:02:22,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 2331 transitions. [2024-11-13 14:02:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:02:22,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:22,029 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:22,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:02:22,029 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:22,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1658878465, now seen corresponding path program 1 times [2024-11-13 14:02:22,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:22,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338892798] [2024-11-13 14:02:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 14:02:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:02:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:02:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:02:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:02:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:02:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:02:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:02:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:02:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:02:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:02:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:02:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:22,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:22,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338892798] [2024-11-13 14:02:22,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338892798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:22,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:22,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:22,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957094665] [2024-11-13 14:02:22,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:22,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:22,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:22,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:22,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:22,190 INFO L87 Difference]: Start difference. First operand 1396 states and 2331 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:24,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:24,466 INFO L93 Difference]: Finished difference Result 3588 states and 6066 transitions. [2024-11-13 14:02:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:24,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 179 [2024-11-13 14:02:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:24,480 INFO L225 Difference]: With dead ends: 3588 [2024-11-13 14:02:24,480 INFO L226 Difference]: Without dead ends: 2323 [2024-11-13 14:02:24,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:24,486 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1817 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:24,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 1026 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [689 Valid, 1884 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:02:24,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2024-11-13 14:02:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2073. [2024-11-13 14:02:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 1674 states have (on average 1.6308243727598566) internal successors, (2730), 1682 states have internal predecessors, (2730), 365 states have call successors, (365), 29 states have call predecessors, (365), 33 states have return successors, (396), 363 states have call predecessors, (396), 364 states have call successors, (396) [2024-11-13 14:02:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 3491 transitions. [2024-11-13 14:02:24,643 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 3491 transitions. Word has length 179 [2024-11-13 14:02:24,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:24,643 INFO L471 AbstractCegarLoop]: Abstraction has 2073 states and 3491 transitions. [2024-11-13 14:02:24,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 3491 transitions. [2024-11-13 14:02:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-13 14:02:24,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:24,656 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:24,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:02:24,657 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:24,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash 854277704, now seen corresponding path program 1 times [2024-11-13 14:02:24,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:24,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401702804] [2024-11-13 14:02:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:02:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:02:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:02:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:02:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:02:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:02:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:02:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:02:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:02:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:02:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:02:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:02:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:02:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 14:02:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:02:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 14:02:24,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:24,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401702804] [2024-11-13 14:02:24,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401702804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:24,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:24,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:24,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384642974] [2024-11-13 14:02:24,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:24,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:24,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:24,840 INFO L87 Difference]: Start difference. First operand 2073 states and 3491 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:02:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:27,438 INFO L93 Difference]: Finished difference Result 5173 states and 8845 transitions. [2024-11-13 14:02:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:27,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 199 [2024-11-13 14:02:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:27,457 INFO L225 Difference]: With dead ends: 5173 [2024-11-13 14:02:27,457 INFO L226 Difference]: Without dead ends: 3366 [2024-11-13 14:02:27,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:27,463 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1878 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:27,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1896 Valid, 1023 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 14:02:27,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2024-11-13 14:02:27,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3116. [2024-11-13 14:02:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3116 states, 2555 states have (on average 1.6391389432485324) internal successors, (4188), 2563 states have internal predecessors, (4188), 527 states have call successors, (527), 29 states have call predecessors, (527), 33 states have return successors, (574), 525 states have call predecessors, (574), 526 states have call successors, (574) [2024-11-13 14:02:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 5289 transitions. [2024-11-13 14:02:27,647 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 5289 transitions. Word has length 199 [2024-11-13 14:02:27,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:27,648 INFO L471 AbstractCegarLoop]: Abstraction has 3116 states and 5289 transitions. [2024-11-13 14:02:27,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:02:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 5289 transitions. [2024-11-13 14:02:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 14:02:27,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:27,667 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:27,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:02:27,668 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:27,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:27,668 INFO L85 PathProgramCache]: Analyzing trace with hash -709736205, now seen corresponding path program 1 times [2024-11-13 14:02:27,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:27,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614798706] [2024-11-13 14:02:27,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:02:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:02:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:02:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 14:02:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:02:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:02:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:02:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:02:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:02:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:02:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:02:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:02:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:02:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 14:02:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 14:02:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 14:02:27,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614798706] [2024-11-13 14:02:27,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614798706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:27,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:27,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:27,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804284848] [2024-11-13 14:02:27,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:27,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:27,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:27,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:27,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:27,866 INFO L87 Difference]: Start difference. First operand 3116 states and 5289 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:02:30,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:30,325 INFO L93 Difference]: Finished difference Result 7687 states and 13260 transitions. [2024-11-13 14:02:30,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:30,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 200 [2024-11-13 14:02:30,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:30,350 INFO L225 Difference]: With dead ends: 7687 [2024-11-13 14:02:30,350 INFO L226 Difference]: Without dead ends: 5056 [2024-11-13 14:02:30,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:30,360 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1808 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 679 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:30,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 1022 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [679 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:02:30,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5056 states. [2024-11-13 14:02:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5056 to 4806. [2024-11-13 14:02:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 4000 states have (on average 1.645) internal successors, (6580), 4008 states have internal predecessors, (6580), 772 states have call successors, (772), 29 states have call predecessors, (772), 33 states have return successors, (845), 770 states have call predecessors, (845), 771 states have call successors, (845) [2024-11-13 14:02:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 8197 transitions. [2024-11-13 14:02:30,690 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 8197 transitions. Word has length 200 [2024-11-13 14:02:30,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:30,691 INFO L471 AbstractCegarLoop]: Abstraction has 4806 states and 8197 transitions. [2024-11-13 14:02:30,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 14:02:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 8197 transitions. [2024-11-13 14:02:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 14:02:30,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:30,726 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:30,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:02:30,727 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:30,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:30,727 INFO L85 PathProgramCache]: Analyzing trace with hash -443155185, now seen corresponding path program 1 times [2024-11-13 14:02:30,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:30,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732991496] [2024-11-13 14:02:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:02:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:02:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:02:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:02:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:02:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:02:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:02:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:02:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:02:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:02:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:02:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:02:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732991496] [2024-11-13 14:02:30,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732991496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:30,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:30,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:30,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122300950] [2024-11-13 14:02:30,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:30,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:30,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:30,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:30,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:30,883 INFO L87 Difference]: Start difference. First operand 4806 states and 8197 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:33,395 INFO L93 Difference]: Finished difference Result 11888 states and 20637 transitions. [2024-11-13 14:02:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2024-11-13 14:02:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:33,443 INFO L225 Difference]: With dead ends: 11888 [2024-11-13 14:02:33,443 INFO L226 Difference]: Without dead ends: 7899 [2024-11-13 14:02:33,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:33,456 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1884 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:33,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 1066 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [683 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:02:33,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7899 states. [2024-11-13 14:02:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7899 to 7649. [2024-11-13 14:02:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7649 states, 6350 states have (on average 1.6439370078740156) internal successors, (10439), 6358 states have internal predecessors, (10439), 1265 states have call successors, (1265), 29 states have call predecessors, (1265), 33 states have return successors, (1382), 1263 states have call predecessors, (1382), 1264 states have call successors, (1382) [2024-11-13 14:02:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7649 states to 7649 states and 13086 transitions. [2024-11-13 14:02:33,934 INFO L78 Accepts]: Start accepts. Automaton has 7649 states and 13086 transitions. Word has length 182 [2024-11-13 14:02:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:33,935 INFO L471 AbstractCegarLoop]: Abstraction has 7649 states and 13086 transitions. [2024-11-13 14:02:33,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7649 states and 13086 transitions. [2024-11-13 14:02:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-13 14:02:33,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:33,974 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:33,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:02:33,975 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:33,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:33,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1727580100, now seen corresponding path program 1 times [2024-11-13 14:02:33,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:33,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051640523] [2024-11-13 14:02:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:33,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:02:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:02:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:02:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:02:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:02:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 14:02:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:02:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:02:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:02:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:02:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:02:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:02:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:34,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:34,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051640523] [2024-11-13 14:02:34,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051640523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:34,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:34,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:34,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742772823] [2024-11-13 14:02:34,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:34,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:34,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:34,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:34,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:34,176 INFO L87 Difference]: Start difference. First operand 7649 states and 13086 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:36,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:36,706 INFO L93 Difference]: Finished difference Result 19503 states and 33913 transitions. [2024-11-13 14:02:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:36,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 183 [2024-11-13 14:02:36,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:36,759 INFO L225 Difference]: With dead ends: 19503 [2024-11-13 14:02:36,759 INFO L226 Difference]: Without dead ends: 13073 [2024-11-13 14:02:36,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:36,779 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1849 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:36,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 1025 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:02:36,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13073 states. [2024-11-13 14:02:37,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13073 to 12823. [2024-11-13 14:02:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12823 states, 10702 states have (on average 1.6447393010652214) internal successors, (17602), 10710 states have internal predecessors, (17602), 2087 states have call successors, (2087), 29 states have call predecessors, (2087), 33 states have return successors, (2282), 2085 states have call predecessors, (2282), 2086 states have call successors, (2282) [2024-11-13 14:02:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12823 states to 12823 states and 21971 transitions. [2024-11-13 14:02:37,404 INFO L78 Accepts]: Start accepts. Automaton has 12823 states and 21971 transitions. Word has length 183 [2024-11-13 14:02:37,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:37,404 INFO L471 AbstractCegarLoop]: Abstraction has 12823 states and 21971 transitions. [2024-11-13 14:02:37,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 12823 states and 21971 transitions. [2024-11-13 14:02:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-13 14:02:37,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:37,446 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:37,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:02:37,447 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:37,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:37,447 INFO L85 PathProgramCache]: Analyzing trace with hash -105835743, now seen corresponding path program 1 times [2024-11-13 14:02:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:37,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120460521] [2024-11-13 14:02:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:02:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:02:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:02:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:02:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:02:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:02:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:02:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:02:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:02:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:02:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:02:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:02:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:37,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120460521] [2024-11-13 14:02:37,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120460521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:37,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:37,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:37,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741983784] [2024-11-13 14:02:37,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:37,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:37,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:37,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:37,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:37,615 INFO L87 Difference]: Start difference. First operand 12823 states and 21971 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:40,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:40,399 INFO L93 Difference]: Finished difference Result 30986 states and 53613 transitions. [2024-11-13 14:02:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:40,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2024-11-13 14:02:40,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:40,491 INFO L225 Difference]: With dead ends: 30986 [2024-11-13 14:02:40,491 INFO L226 Difference]: Without dead ends: 20386 [2024-11-13 14:02:40,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:40,521 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1875 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1894 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 2544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:40,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1894 Valid, 997 Invalid, 2544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:02:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20386 states. [2024-11-13 14:02:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20386 to 20136. [2024-11-13 14:02:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20136 states, 16812 states have (on average 1.6207470854151795) internal successors, (27248), 16820 states have internal predecessors, (27248), 3290 states have call successors, (3290), 29 states have call predecessors, (3290), 33 states have return successors, (3629), 3288 states have call predecessors, (3629), 3289 states have call successors, (3629) [2024-11-13 14:02:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20136 states to 20136 states and 34167 transitions. [2024-11-13 14:02:41,599 INFO L78 Accepts]: Start accepts. Automaton has 20136 states and 34167 transitions. Word has length 184 [2024-11-13 14:02:41,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:41,600 INFO L471 AbstractCegarLoop]: Abstraction has 20136 states and 34167 transitions. [2024-11-13 14:02:41,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 20136 states and 34167 transitions. [2024-11-13 14:02:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 14:02:41,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:41,657 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:41,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:02:41,658 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:41,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:41,658 INFO L85 PathProgramCache]: Analyzing trace with hash -514816677, now seen corresponding path program 1 times [2024-11-13 14:02:41,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:41,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868489708] [2024-11-13 14:02:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:02:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:02:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:02:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:02:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:02:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:02:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:02:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:02:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:02:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:02:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:02:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:02:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:41,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:41,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868489708] [2024-11-13 14:02:41,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868489708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:41,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:41,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:41,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092274864] [2024-11-13 14:02:41,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:41,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:41,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:41,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:41,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:41,816 INFO L87 Difference]: Start difference. First operand 20136 states and 34167 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:44,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:44,941 INFO L93 Difference]: Finished difference Result 53428 states and 92147 transitions. [2024-11-13 14:02:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:44,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 185 [2024-11-13 14:02:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:45,091 INFO L225 Difference]: With dead ends: 53428 [2024-11-13 14:02:45,091 INFO L226 Difference]: Without dead ends: 36192 [2024-11-13 14:02:45,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:45,125 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1757 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:45,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 1024 Invalid, 2590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:02:45,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36192 states. [2024-11-13 14:02:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36192 to 35942. [2024-11-13 14:02:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35942 states, 30168 states have (on average 1.61793953858393) internal successors, (48810), 30176 states have internal predecessors, (48810), 5740 states have call successors, (5740), 29 states have call predecessors, (5740), 33 states have return successors, (6353), 5738 states have call predecessors, (6353), 5739 states have call successors, (6353) [2024-11-13 14:02:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35942 states to 35942 states and 60903 transitions. [2024-11-13 14:02:47,084 INFO L78 Accepts]: Start accepts. Automaton has 35942 states and 60903 transitions. Word has length 185 [2024-11-13 14:02:47,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:47,085 INFO L471 AbstractCegarLoop]: Abstraction has 35942 states and 60903 transitions. [2024-11-13 14:02:47,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 35942 states and 60903 transitions. [2024-11-13 14:02:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 14:02:47,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:47,206 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:47,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:02:47,206 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:47,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:47,206 INFO L85 PathProgramCache]: Analyzing trace with hash 373698695, now seen corresponding path program 1 times [2024-11-13 14:02:47,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:47,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625995888] [2024-11-13 14:02:47,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:47,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:02:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:02:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:02:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:02:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:02:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:02:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:02:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:02:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:02:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:02:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 14:02:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:02:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:47,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:47,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625995888] [2024-11-13 14:02:47,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625995888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:47,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:47,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:47,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001820753] [2024-11-13 14:02:47,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:47,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:47,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:47,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:47,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:47,397 INFO L87 Difference]: Start difference. First operand 35942 states and 60903 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:51,256 INFO L93 Difference]: Finished difference Result 98275 states and 168706 transitions. [2024-11-13 14:02:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:02:51,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2024-11-13 14:02:51,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:51,507 INFO L225 Difference]: With dead ends: 98275 [2024-11-13 14:02:51,507 INFO L226 Difference]: Without dead ends: 66189 [2024-11-13 14:02:51,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:02:51,596 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1735 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:51,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 1035 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:02:51,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66189 states. [2024-11-13 14:02:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66189 to 65939. [2024-11-13 14:02:54,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65939 states, 55652 states have (on average 1.6140120750377345) internal successors, (89823), 55660 states have internal predecessors, (89823), 10253 states have call successors, (10253), 29 states have call predecessors, (10253), 33 states have return successors, (11398), 10251 states have call predecessors, (11398), 10252 states have call successors, (11398) [2024-11-13 14:02:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65939 states to 65939 states and 111474 transitions. [2024-11-13 14:02:54,624 INFO L78 Accepts]: Start accepts. Automaton has 65939 states and 111474 transitions. Word has length 186 [2024-11-13 14:02:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:54,625 INFO L471 AbstractCegarLoop]: Abstraction has 65939 states and 111474 transitions. [2024-11-13 14:02:54,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:02:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 65939 states and 111474 transitions. [2024-11-13 14:02:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 14:02:54,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:54,807 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:54,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:02:54,807 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:02:54,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash 292350075, now seen corresponding path program 1 times [2024-11-13 14:02:54,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:54,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5419488] [2024-11-13 14:02:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:54,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:02:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:02:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:02:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:02:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:02:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:02:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:02:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:02:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:02:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:02:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:02:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:02:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:02:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:02:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:02:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:02:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:02:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:54,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:02:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:02:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:02:55,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:55,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5419488] [2024-11-13 14:02:55,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5419488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:55,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:55,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:02:55,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783787732] [2024-11-13 14:02:55,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:55,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:02:55,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:55,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:02:55,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:02:55,010 INFO L87 Difference]: Start difference. First operand 65939 states and 111474 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:03:00,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:00,097 INFO L93 Difference]: Finished difference Result 123936 states and 213139 transitions. [2024-11-13 14:03:00,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:03:00,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 187 [2024-11-13 14:03:00,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:00,551 INFO L225 Difference]: With dead ends: 123936 [2024-11-13 14:03:00,551 INFO L226 Difference]: Without dead ends: 123677 [2024-11-13 14:03:00,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:03:00,609 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1752 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:03:00,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 1032 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 14:03:00,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123677 states. [2024-11-13 14:03:04,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123677 to 123427. [2024-11-13 14:03:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123427 states, 104772 states have (on average 1.6089699538044515) internal successors, (168575), 104780 states have internal predecessors, (168575), 18621 states have call successors, (18621), 29 states have call predecessors, (18621), 33 states have return successors, (20812), 18619 states have call predecessors, (20812), 18620 states have call successors, (20812) [2024-11-13 14:03:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123427 states to 123427 states and 208008 transitions. [2024-11-13 14:03:05,434 INFO L78 Accepts]: Start accepts. Automaton has 123427 states and 208008 transitions. Word has length 187 [2024-11-13 14:03:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:03:05,434 INFO L471 AbstractCegarLoop]: Abstraction has 123427 states and 208008 transitions. [2024-11-13 14:03:05,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 14:03:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 123427 states and 208008 transitions. [2024-11-13 14:03:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-13 14:03:05,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:05,747 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:05,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:03:05,748 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:05,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1483474251, now seen corresponding path program 1 times [2024-11-13 14:03:05,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:05,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661800216] [2024-11-13 14:03:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:05,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:05,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:03:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:03:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:03:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:03:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:03:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:03:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:03:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:03:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:03:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:03:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:03:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:03:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:03:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:03:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:03:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:03:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:03:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:03:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:03:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:03:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 14:03:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 14:03:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:03:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 14:03:06,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:03:06,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661800216] [2024-11-13 14:03:06,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661800216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:03:06,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:03:06,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:03:06,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048902883] [2024-11-13 14:03:06,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:03:06,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:03:06,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:03:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:03:06,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:03:06,123 INFO L87 Difference]: Start difference. First operand 123427 states and 208008 transitions. Second operand has 10 states, 10 states have (on average 12.3) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 14:03:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:16,213 INFO L93 Difference]: Finished difference Result 237737 states and 408495 transitions. [2024-11-13 14:03:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:03:16,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 207 [2024-11-13 14:03:16,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:17,373 INFO L225 Difference]: With dead ends: 237737 [2024-11-13 14:03:17,374 INFO L226 Difference]: Without dead ends: 237486 [2024-11-13 14:03:17,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:03:17,421 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 3798 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 1294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 5556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1294 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:03:17,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3815 Valid, 1779 Invalid, 5556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1294 Valid, 4262 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-13 14:03:17,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237486 states.