./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9d5581bc5c458c0b8250652569dd3286beeda44b685a7a0cdda121612582c0c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:27:16,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:27:16,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:27:16,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:27:16,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:27:16,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:27:16,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:27:16,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:27:16,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:27:16,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:27:16,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:27:16,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:27:16,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:27:16,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:27:16,789 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:27:16,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:27:16,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:27:16,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:27:16,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:27:16,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:27:16,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:27:16,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:27:16,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:27:16,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:27:16,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:27:16,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:27:16,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:27:16,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:27:16,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:27:16,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:27:16,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:27:16,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:27:16,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:27:16,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:27:16,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:27:16,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:27:16,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:27:16,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:27:16,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:27:16,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:27:16,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:27:16,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:27:16,814 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d5581bc5c458c0b8250652569dd3286beeda44b685a7a0cdda121612582c0c [2024-11-08 18:27:17,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:27:17,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:27:17,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:27:17,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:27:17,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:27:17,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c Unable to find full path for "g++" [2024-11-08 18:27:19,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:27:20,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:27:20,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2024-11-08 18:27:20,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/data/335008f97/02025cee43294ac89e1c8b44680bf8ae/FLAG1f5068e54 [2024-11-08 18:27:20,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/data/335008f97/02025cee43294ac89e1c8b44680bf8ae [2024-11-08 18:27:20,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:27:20,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:27:20,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:27:20,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:27:20,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:27:20,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:27:20" (1/1) ... [2024-11-08 18:27:20,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8d1411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:20, skipping insertion in model container [2024-11-08 18:27:20,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:27:20" (1/1) ... [2024-11-08 18:27:20,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:27:20,597 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_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c[1543,1556] [2024-11-08 18:27:21,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:27:21,238 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:27:21,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-08 18:27:21,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [57] [2024-11-08 18:27:21,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [389] [2024-11-08 18:27:21,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1458] [2024-11-08 18:27:21,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1493] [2024-11-08 18:27:21,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1859] [2024-11-08 18:27:21,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1879] [2024-11-08 18:27:21,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1896] [2024-11-08 18:27:21,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2211] [2024-11-08 18:27:21,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2615] [2024-11-08 18:27:21,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2718] [2024-11-08 18:27:21,263 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_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c[1543,1556] [2024-11-08 18:27:21,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:27:21,517 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:27:21,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21 WrapperNode [2024-11-08 18:27:21,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:27:21,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:27:21,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:27:21,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:27:21,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,686 INFO L138 Inliner]: procedures = 128, calls = 196, calls flagged for inlining = 54, calls inlined = 49, statements flattened = 971 [2024-11-08 18:27:21,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:27:21,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:27:21,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:27:21,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:27:21,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,785 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 18:27:21,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:27:21,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:27:21,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:27:21,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:27:21,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (1/1) ... [2024-11-08 18:27:21,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:27:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:21,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:27:21,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:27:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 18:27:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 18:27:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 18:27:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 18:27:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 18:27:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 18:27:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 18:27:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 18:27:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 18:27:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 18:27:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 18:27:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 18:27:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 18:27:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 18:27:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 18:27:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 18:27:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 18:27:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 18:27:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 18:27:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 18:27:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 18:27:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 18:27:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 18:27:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 18:27:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 18:27:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 18:27:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:27:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 18:27:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 18:27:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 18:27:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 18:27:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 18:27:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 18:27:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 18:27:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 18:27:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 18:27:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 18:27:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 18:27:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 18:27:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 18:27:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 18:27:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 18:27:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 18:27:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:27:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:27:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:27:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:27:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 18:27:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 18:27:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 18:27:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 18:27:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:27:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:27:22,368 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:27:22,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:27:23,934 INFO L? ?]: Removed 489 outVars from TransFormulas that were not future-live. [2024-11-08 18:27:23,934 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:27:23,973 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:27:23,976 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:27:23,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:27:23 BoogieIcfgContainer [2024-11-08 18:27:23,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:27:23,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:27:23,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:27:23,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:27:23,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:27:20" (1/3) ... [2024-11-08 18:27:23,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe292a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:27:23, skipping insertion in model container [2024-11-08 18:27:23,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:21" (2/3) ... [2024-11-08 18:27:23,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe292a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:27:23, skipping insertion in model container [2024-11-08 18:27:23,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:27:23" (3/3) ... [2024-11-08 18:27:23,993 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product20.cil.c [2024-11-08 18:27:24,018 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:27:24,019 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:27:24,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:27:24,163 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;@d44c67d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:27:24,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:27:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 368 states, 289 states have (on average 1.57439446366782) internal successors, (455), 294 states have internal predecessors, (455), 54 states have call successors, (54), 23 states have call predecessors, (54), 23 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 18:27:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 18:27:24,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:24,215 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:24,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:24,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:24,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1575858058, now seen corresponding path program 1 times [2024-11-08 18:27:24,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210142047] [2024-11-08 18:27:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:27:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 18:27:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:27:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:27:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:27:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:27:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:27:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:27:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:27:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:27:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 18:27:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:25,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210142047] [2024-11-08 18:27:25,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210142047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:27:25,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272504122] [2024-11-08 18:27:25,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:25,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:25,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:25,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:25,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:27:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:25,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:27:25,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 18:27:26,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:26,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272504122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:26,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:27:26,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 18:27:26,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395669768] [2024-11-08 18:27:26,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:26,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:27:26,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:26,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:27:26,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:27:26,102 INFO L87 Difference]: Start difference. First operand has 368 states, 289 states have (on average 1.57439446366782) internal successors, (455), 294 states have internal predecessors, (455), 54 states have call successors, (54), 23 states have call predecessors, (54), 23 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:27:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:26,198 INFO L93 Difference]: Finished difference Result 543 states and 816 transitions. [2024-11-08 18:27:26,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:27:26,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2024-11-08 18:27:26,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:26,230 INFO L225 Difference]: With dead ends: 543 [2024-11-08 18:27:26,231 INFO L226 Difference]: Without dead ends: 361 [2024-11-08 18:27:26,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:27:26,250 INFO L432 NwaCegarLoop]: 559 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, 559 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:26,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:27:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-08 18:27:26,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-08 18:27:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 283 states have (on average 1.568904593639576) internal successors, (444), 287 states have internal predecessors, (444), 54 states have call successors, (54), 23 states have call predecessors, (54), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-08 18:27:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 551 transitions. [2024-11-08 18:27:26,364 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 551 transitions. Word has length 118 [2024-11-08 18:27:26,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:26,366 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 551 transitions. [2024-11-08 18:27:26,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:27:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 551 transitions. [2024-11-08 18:27:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 18:27:26,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:26,379 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:26,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:27:26,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:26,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:26,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:26,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1054285413, now seen corresponding path program 1 times [2024-11-08 18:27:26,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:26,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840408309] [2024-11-08 18:27:26,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:26,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:27:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 18:27:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:27:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:27:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:27:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:27:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:27:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:27:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:27:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:27:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 18:27:27,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:27,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840408309] [2024-11-08 18:27:27,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840408309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:27:27,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394777085] [2024-11-08 18:27:27,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:27,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:27,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:27,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:27,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:27:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:27,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:27:27,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 18:27:27,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:27,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394777085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:27,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:27:27,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 18:27:27,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590764372] [2024-11-08 18:27:27,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:27,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:27:27,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:27,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:27:27,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:27:27,618 INFO L87 Difference]: Start difference. First operand 361 states and 551 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:27:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:27,681 INFO L93 Difference]: Finished difference Result 533 states and 794 transitions. [2024-11-08 18:27:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:27:27,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-11-08 18:27:27,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:27,690 INFO L225 Difference]: With dead ends: 533 [2024-11-08 18:27:27,690 INFO L226 Difference]: Without dead ends: 364 [2024-11-08 18:27:27,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:27:27,696 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 1 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:27,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1096 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:27:27,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-08 18:27:27,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 363. [2024-11-08 18:27:27,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 285 states have (on average 1.5649122807017544) internal successors, (446), 289 states have internal predecessors, (446), 54 states have call successors, (54), 23 states have call predecessors, (54), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-08 18:27:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 553 transitions. [2024-11-08 18:27:27,739 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 553 transitions. Word has length 119 [2024-11-08 18:27:27,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:27,739 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 553 transitions. [2024-11-08 18:27:27,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:27:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 553 transitions. [2024-11-08 18:27:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 18:27:27,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:27,745 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:27,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:27:27,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:27,946 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:27,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:27,947 INFO L85 PathProgramCache]: Analyzing trace with hash -43687125, now seen corresponding path program 1 times [2024-11-08 18:27:27,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:27,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575284467] [2024-11-08 18:27:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:27,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:27:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 18:27:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:27:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:27:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:27:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:27:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:27:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:27:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:27:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:27:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 18:27:28,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575284467] [2024-11-08 18:27:28,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575284467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:27:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636978072] [2024-11-08 18:27:28,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:28,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:28,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:28,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:28,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:27:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:28,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:27:28,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:28,750 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 18:27:28,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:28,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636978072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:28,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:27:28,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 18:27:28,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734485619] [2024-11-08 18:27:28,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:28,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:27:28,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:27:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:27:28,757 INFO L87 Difference]: Start difference. First operand 363 states and 553 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:27:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:28,803 INFO L93 Difference]: Finished difference Result 774 states and 1198 transitions. [2024-11-08 18:27:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:27:28,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-08 18:27:28,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:28,809 INFO L225 Difference]: With dead ends: 774 [2024-11-08 18:27:28,810 INFO L226 Difference]: Without dead ends: 438 [2024-11-08 18:27:28,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:27:28,815 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 134 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:28,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1063 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:27:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-08 18:27:28,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 430. [2024-11-08 18:27:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 338 states have (on average 1.5828402366863905) internal successors, (535), 342 states have internal predecessors, (535), 68 states have call successors, (68), 23 states have call predecessors, (68), 23 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-08 18:27:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 670 transitions. [2024-11-08 18:27:28,856 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 670 transitions. Word has length 128 [2024-11-08 18:27:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:28,856 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 670 transitions. [2024-11-08 18:27:28,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:27:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 670 transitions. [2024-11-08 18:27:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 18:27:28,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:28,861 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:28,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:27:29,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-08 18:27:29,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:29,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:29,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1148970168, now seen corresponding path program 1 times [2024-11-08 18:27:29,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:29,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837821185] [2024-11-08 18:27:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:29,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:27:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 18:27:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:27:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 18:27:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:27:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:27:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:27:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:27:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:27:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 18:27:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,451 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 18:27:29,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:29,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837821185] [2024-11-08 18:27:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837821185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:27:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930675102] [2024-11-08 18:27:29,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:29,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:29,455 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:27:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:29,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:27:29,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 18:27:30,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:30,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930675102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:30,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:27:30,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 18:27:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992124762] [2024-11-08 18:27:30,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:30,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:27:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:27:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:27:30,045 INFO L87 Difference]: Start difference. First operand 430 states and 670 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:27:30,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:30,147 INFO L93 Difference]: Finished difference Result 851 states and 1330 transitions. [2024-11-08 18:27:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:27:30,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 129 [2024-11-08 18:27:30,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:30,152 INFO L225 Difference]: With dead ends: 851 [2024-11-08 18:27:30,152 INFO L226 Difference]: Without dead ends: 432 [2024-11-08 18:27:30,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:27:30,156 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 2 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:30,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2161 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:27:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-08 18:27:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2024-11-08 18:27:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 339 states have (on average 1.5811209439528024) internal successors, (536), 344 states have internal predecessors, (536), 68 states have call successors, (68), 23 states have call predecessors, (68), 24 states have return successors, (69), 66 states have call predecessors, (69), 67 states have call successors, (69) [2024-11-08 18:27:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 673 transitions. [2024-11-08 18:27:30,201 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 673 transitions. Word has length 129 [2024-11-08 18:27:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:30,201 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 673 transitions. [2024-11-08 18:27:30,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:27:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 673 transitions. [2024-11-08 18:27:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 18:27:30,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:30,208 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-08 18:27:30,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 18:27:30,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:30,413 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:30,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:30,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1840093049, now seen corresponding path program 1 times [2024-11-08 18:27:30,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:30,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301419024] [2024-11-08 18:27:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:30,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 18:27:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:27:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:27:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 18:27:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:27:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:27:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:27:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:27:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:27:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 18:27:30,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301419024] [2024-11-08 18:27:30,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301419024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:27:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352266119] [2024-11-08 18:27:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:30,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:30,862 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:30,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:27:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:31,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:27:31,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 18:27:31,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:31,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352266119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:31,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:27:31,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 18:27:31,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085522788] [2024-11-08 18:27:31,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:31,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:27:31,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:31,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:27:31,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:27:31,451 INFO L87 Difference]: Start difference. First operand 432 states and 673 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:27:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:31,554 INFO L93 Difference]: Finished difference Result 853 states and 1335 transitions. [2024-11-08 18:27:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:27:31,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 130 [2024-11-08 18:27:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:31,559 INFO L225 Difference]: With dead ends: 853 [2024-11-08 18:27:31,560 INFO L226 Difference]: Without dead ends: 434 [2024-11-08 18:27:31,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:27:31,563 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 2 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2147 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:31,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2147 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:27:31,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-08 18:27:31,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-11-08 18:27:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 340 states have (on average 1.5794117647058823) internal successors, (537), 346 states have internal predecessors, (537), 68 states have call successors, (68), 23 states have call predecessors, (68), 25 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-11-08 18:27:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 679 transitions. [2024-11-08 18:27:31,590 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 679 transitions. Word has length 130 [2024-11-08 18:27:31,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:31,591 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 679 transitions. [2024-11-08 18:27:31,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:27:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 679 transitions. [2024-11-08 18:27:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:27:31,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:31,596 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:31,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 18:27:31,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:31,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:31,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:31,798 INFO L85 PathProgramCache]: Analyzing trace with hash -2002163153, now seen corresponding path program 1 times [2024-11-08 18:27:31,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:31,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015437674] [2024-11-08 18:27:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:27:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:27:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:27:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:27:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:27:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 18:27:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:27:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 18:27:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 18:27:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 18:27:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:27:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 18:27:32,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:32,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015437674] [2024-11-08 18:27:32,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015437674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:32,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:32,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:27:32,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160565951] [2024-11-08 18:27:32,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:32,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:27:32,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:32,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:27:32,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:27:32,261 INFO L87 Difference]: Start difference. First operand 434 states and 679 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 18:27:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:35,680 INFO L93 Difference]: Finished difference Result 953 states and 1514 transitions. [2024-11-08 18:27:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:27:35,681 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 150 [2024-11-08 18:27:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:35,689 INFO L225 Difference]: With dead ends: 953 [2024-11-08 18:27:35,690 INFO L226 Difference]: Without dead ends: 542 [2024-11-08 18:27:35,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:27:35,696 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1182 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:35,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1339 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 2338 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 18:27:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-08 18:27:35,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 434. [2024-11-08 18:27:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 340 states have (on average 1.5794117647058823) internal successors, (537), 346 states have internal predecessors, (537), 68 states have call successors, (68), 23 states have call predecessors, (68), 25 states have return successors, (73), 66 states have call predecessors, (73), 67 states have call successors, (73) [2024-11-08 18:27:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 678 transitions. [2024-11-08 18:27:35,815 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 678 transitions. Word has length 150 [2024-11-08 18:27:35,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:35,817 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 678 transitions. [2024-11-08 18:27:35,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 18:27:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 678 transitions. [2024-11-08 18:27:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 18:27:35,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:35,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:35,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:27:35,826 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:35,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash 762705902, now seen corresponding path program 1 times [2024-11-08 18:27:35,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:35,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923219870] [2024-11-08 18:27:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:27:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:27:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:27:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 18:27:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:27:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 18:27:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:27:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:27:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 18:27:36,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:36,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923219870] [2024-11-08 18:27:36,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923219870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:36,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:36,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:27:36,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250959539] [2024-11-08 18:27:36,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:36,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:27:36,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:36,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:27:36,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:27:36,237 INFO L87 Difference]: Start difference. First operand 434 states and 678 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:27:39,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:39,361 INFO L93 Difference]: Finished difference Result 955 states and 1517 transitions. [2024-11-08 18:27:39,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:27:39,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 132 [2024-11-08 18:27:39,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:39,367 INFO L225 Difference]: With dead ends: 955 [2024-11-08 18:27:39,367 INFO L226 Difference]: Without dead ends: 544 [2024-11-08 18:27:39,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:27:39,370 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1206 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:39,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1337 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 18:27:39,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-08 18:27:39,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 436. [2024-11-08 18:27:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 341 states have (on average 1.5777126099706744) internal successors, (538), 348 states have internal predecessors, (538), 68 states have call successors, (68), 23 states have call predecessors, (68), 26 states have return successors, (75), 66 states have call predecessors, (75), 67 states have call successors, (75) [2024-11-08 18:27:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 681 transitions. [2024-11-08 18:27:39,430 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 681 transitions. Word has length 132 [2024-11-08 18:27:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:39,431 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 681 transitions. [2024-11-08 18:27:39,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 18:27:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 681 transitions. [2024-11-08 18:27:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 18:27:39,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:39,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:39,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:27:39,450 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:39,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1198412556, now seen corresponding path program 1 times [2024-11-08 18:27:39,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:39,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764201611] [2024-11-08 18:27:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:27:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:27:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:27:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:27:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:27:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:27:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:27:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 18:27:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 18:27:39,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:39,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764201611] [2024-11-08 18:27:39,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764201611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:39,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:39,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:27:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385386291] [2024-11-08 18:27:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:39,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:27:39,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:27:39,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:27:39,849 INFO L87 Difference]: Start difference. First operand 436 states and 681 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 18:27:44,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:44,109 INFO L93 Difference]: Finished difference Result 953 states and 1512 transitions. [2024-11-08 18:27:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:27:44,110 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 133 [2024-11-08 18:27:44,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:44,116 INFO L225 Difference]: With dead ends: 953 [2024-11-08 18:27:44,116 INFO L226 Difference]: Without dead ends: 544 [2024-11-08 18:27:44,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:27:44,122 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1186 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 3845 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 4227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 3845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:44,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1855 Invalid, 4227 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [382 Valid, 3845 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-08 18:27:44,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-08 18:27:44,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 436. [2024-11-08 18:27:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 341 states have (on average 1.5777126099706744) internal successors, (538), 348 states have internal predecessors, (538), 68 states have call successors, (68), 23 states have call predecessors, (68), 26 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-11-08 18:27:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 680 transitions. [2024-11-08 18:27:44,236 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 680 transitions. Word has length 133 [2024-11-08 18:27:44,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:44,236 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 680 transitions. [2024-11-08 18:27:44,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 18:27:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 680 transitions. [2024-11-08 18:27:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:27:44,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:44,242 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:44,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:27:44,243 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:44,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2021246492, now seen corresponding path program 2 times [2024-11-08 18:27:44,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:44,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419967023] [2024-11-08 18:27:44,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:27:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:27:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:27:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:27:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:27:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:27:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:27:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:27:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 18:27:44,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:44,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419967023] [2024-11-08 18:27:44,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419967023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:44,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:44,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:27:44,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247660460] [2024-11-08 18:27:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:44,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:27:44,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:44,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:27:44,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:27:44,656 INFO L87 Difference]: Start difference. First operand 436 states and 680 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 18:27:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:48,588 INFO L93 Difference]: Finished difference Result 955 states and 1518 transitions. [2024-11-08 18:27:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:27:48,590 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 134 [2024-11-08 18:27:48,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:48,596 INFO L225 Difference]: With dead ends: 955 [2024-11-08 18:27:48,596 INFO L226 Difference]: Without dead ends: 546 [2024-11-08 18:27:48,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:27:48,601 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1202 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:48,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 1856 Invalid, 4206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [370 Valid, 3836 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-08 18:27:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-08 18:27:48,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 438. [2024-11-08 18:27:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 342 states have (on average 1.5760233918128654) internal successors, (539), 350 states have internal predecessors, (539), 68 states have call successors, (68), 23 states have call predecessors, (68), 27 states have return successors, (79), 66 states have call predecessors, (79), 67 states have call successors, (79) [2024-11-08 18:27:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 686 transitions. [2024-11-08 18:27:48,682 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 686 transitions. Word has length 134 [2024-11-08 18:27:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:48,684 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 686 transitions. [2024-11-08 18:27:48,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 18:27:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 686 transitions. [2024-11-08 18:27:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:27:48,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:48,689 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:48,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:27:48,690 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:48,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:48,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1805025863, now seen corresponding path program 1 times [2024-11-08 18:27:48,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:48,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772265052] [2024-11-08 18:27:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:48,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:48,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:27:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 18:27:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 18:27:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:27:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:27:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:27:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:27:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 18:27:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 18:27:49,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:49,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772265052] [2024-11-08 18:27:49,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772265052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:27:49,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434932728] [2024-11-08 18:27:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:49,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:49,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:49,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 18:27:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:49,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:27:49,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:27:49,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:27:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:27:49,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434932728] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:27:49,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:27:49,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 18:27:49,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740079786] [2024-11-08 18:27:49,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:27:49,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:27:49,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:49,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:27:49,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:27:49,800 INFO L87 Difference]: Start difference. First operand 438 states and 686 transitions. Second operand has 15 states, 14 states have (on average 10.428571428571429) internal successors, (146), 11 states have internal predecessors, (146), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-08 18:27:54,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:54,801 INFO L93 Difference]: Finished difference Result 1395 states and 2315 transitions. [2024-11-08 18:27:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:27:54,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.428571428571429) internal successors, (146), 11 states have internal predecessors, (146), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 135 [2024-11-08 18:27:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:54,810 INFO L225 Difference]: With dead ends: 1395 [2024-11-08 18:27:54,811 INFO L226 Difference]: Without dead ends: 988 [2024-11-08 18:27:54,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:27:54,814 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 2300 mSDsluCounter, 2085 mSDsCounter, 0 mSdLazyCounter, 4791 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 5541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 4791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:54,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 2290 Invalid, 5541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [750 Valid, 4791 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-08 18:27:54,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-08 18:27:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 856. [2024-11-08 18:27:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 681 states have (on average 1.6226138032305433) internal successors, (1105), 689 states have internal predecessors, (1105), 147 states have call successors, (147), 23 states have call predecessors, (147), 27 states have return successors, (168), 145 states have call predecessors, (168), 146 states have call successors, (168) [2024-11-08 18:27:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1420 transitions. [2024-11-08 18:27:54,894 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1420 transitions. Word has length 135 [2024-11-08 18:27:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:54,894 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1420 transitions. [2024-11-08 18:27:54,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.428571428571429) internal successors, (146), 11 states have internal predecessors, (146), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-08 18:27:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1420 transitions. [2024-11-08 18:27:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 18:27:54,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:54,902 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-11-08 18:27:54,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 18:27:55,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:55,107 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:55,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:55,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1808422221, now seen corresponding path program 1 times [2024-11-08 18:27:55,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:55,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600775619] [2024-11-08 18:27:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:55,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:27:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:27:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:27:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:27:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:27:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:27:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 18:27:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:27:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:27:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:27:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 18:27:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:27:55,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:55,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600775619] [2024-11-08 18:27:55,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600775619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:55,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:55,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:27:55,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685582235] [2024-11-08 18:27:55,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:55,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:27:55,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:27:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:27:55,305 INFO L87 Difference]: Start difference. First operand 856 states and 1420 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:27:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:57,502 INFO L93 Difference]: Finished difference Result 2140 states and 3644 transitions. [2024-11-08 18:27:57,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:27:57,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 157 [2024-11-08 18:27:57,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:57,511 INFO L225 Difference]: With dead ends: 2140 [2024-11-08 18:27:57,511 INFO L226 Difference]: Without dead ends: 1362 [2024-11-08 18:27:57,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:27:57,515 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1331 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:57,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 1009 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 18:27:57,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-08 18:27:57,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1246. [2024-11-08 18:27:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 992 states have (on average 1.6381048387096775) internal successors, (1625), 1000 states have internal predecessors, (1625), 226 states have call successors, (226), 23 states have call predecessors, (226), 27 states have return successors, (257), 224 states have call predecessors, (257), 225 states have call successors, (257) [2024-11-08 18:27:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2108 transitions. [2024-11-08 18:27:57,599 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2108 transitions. Word has length 157 [2024-11-08 18:27:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:27:57,600 INFO L471 AbstractCegarLoop]: Abstraction has 1246 states and 2108 transitions. [2024-11-08 18:27:57,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:27:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2108 transitions. [2024-11-08 18:27:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 18:27:57,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:27:57,610 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-11-08 18:27:57,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:27:57,610 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:27:57,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:57,611 INFO L85 PathProgramCache]: Analyzing trace with hash 454111361, now seen corresponding path program 1 times [2024-11-08 18:27:57,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:57,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469552393] [2024-11-08 18:27:57,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:57,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:27:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:27:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:27:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:27:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:27:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:27:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:27:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:27:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:27:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:27:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:27:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:27:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:27:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:27:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:27:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:27:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:27:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:27:57,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:57,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469552393] [2024-11-08 18:27:57,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469552393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:57,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:57,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:27:57,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695762480] [2024-11-08 18:27:57,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:57,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:27:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:57,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:27:57,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:27:57,826 INFO L87 Difference]: Start difference. First operand 1246 states and 2108 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:27:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:27:59,948 INFO L93 Difference]: Finished difference Result 3114 states and 5353 transitions. [2024-11-08 18:27:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:27:59,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2024-11-08 18:27:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:27:59,963 INFO L225 Difference]: With dead ends: 3114 [2024-11-08 18:27:59,963 INFO L226 Difference]: Without dead ends: 1999 [2024-11-08 18:27:59,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:27:59,969 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1310 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:27:59,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 983 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 18:27:59,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2024-11-08 18:28:00,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1883. [2024-11-08 18:28:00,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1510 states have (on average 1.6443708609271523) internal successors, (2483), 1518 states have internal predecessors, (2483), 345 states have call successors, (345), 23 states have call predecessors, (345), 27 states have return successors, (376), 343 states have call predecessors, (376), 344 states have call successors, (376) [2024-11-08 18:28:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 3204 transitions. [2024-11-08 18:28:00,108 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 3204 transitions. Word has length 158 [2024-11-08 18:28:00,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:00,109 INFO L471 AbstractCegarLoop]: Abstraction has 1883 states and 3204 transitions. [2024-11-08 18:28:00,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3204 transitions. [2024-11-08 18:28:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 18:28:00,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:00,120 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-11-08 18:28:00,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:28:00,120 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:00,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:00,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1521062171, now seen corresponding path program 1 times [2024-11-08 18:28:00,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:00,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241744161] [2024-11-08 18:28:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 18:28:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:28:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 18:28:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 18:28:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:28:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 18:28:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 18:28:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:28:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:28:00,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:00,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241744161] [2024-11-08 18:28:00,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241744161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:00,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:00,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:00,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568109977] [2024-11-08 18:28:00,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:00,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:00,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:00,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:00,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:00,307 INFO L87 Difference]: Start difference. First operand 1883 states and 3204 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:02,412 INFO L93 Difference]: Finished difference Result 4594 states and 7964 transitions. [2024-11-08 18:28:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:02,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 159 [2024-11-08 18:28:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:02,435 INFO L225 Difference]: With dead ends: 4594 [2024-11-08 18:28:02,435 INFO L226 Difference]: Without dead ends: 2977 [2024-11-08 18:28:02,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:02,444 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1343 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:02,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 974 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 18:28:02,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2024-11-08 18:28:02,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 2861. [2024-11-08 18:28:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2326 states have (on average 1.6496130696474633) internal successors, (3837), 2334 states have internal predecessors, (3837), 507 states have call successors, (507), 23 states have call predecessors, (507), 27 states have return successors, (554), 505 states have call predecessors, (554), 506 states have call successors, (554) [2024-11-08 18:28:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 4898 transitions. [2024-11-08 18:28:02,756 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 4898 transitions. Word has length 159 [2024-11-08 18:28:02,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:02,757 INFO L471 AbstractCegarLoop]: Abstraction has 2861 states and 4898 transitions. [2024-11-08 18:28:02,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 4898 transitions. [2024-11-08 18:28:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 18:28:02,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:02,793 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:28:02,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:28:02,793 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1660234082, now seen corresponding path program 1 times [2024-11-08 18:28:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:02,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548672134] [2024-11-08 18:28:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:28:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 18:28:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:28:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:28:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:28:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:28:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:28:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:28:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 18:28:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:28:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:02,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548672134] [2024-11-08 18:28:02,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548672134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:02,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:02,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:02,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273999015] [2024-11-08 18:28:02,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:02,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:02,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:02,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:02,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:02,994 INFO L87 Difference]: Start difference. First operand 2861 states and 4898 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:05,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:05,144 INFO L93 Difference]: Finished difference Result 6933 states and 12099 transitions. [2024-11-08 18:28:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:05,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2024-11-08 18:28:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:05,176 INFO L225 Difference]: With dead ends: 6933 [2024-11-08 18:28:05,176 INFO L226 Difference]: Without dead ends: 4557 [2024-11-08 18:28:05,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:05,189 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1323 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:05,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 975 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 18:28:05,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2024-11-08 18:28:05,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4441. [2024-11-08 18:28:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4441 states, 3661 states have (on average 1.6533733952472003) internal successors, (6053), 3669 states have internal predecessors, (6053), 752 states have call successors, (752), 23 states have call predecessors, (752), 27 states have return successors, (825), 750 states have call predecessors, (825), 751 states have call successors, (825) [2024-11-08 18:28:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4441 states to 4441 states and 7630 transitions. [2024-11-08 18:28:05,516 INFO L78 Accepts]: Start accepts. Automaton has 4441 states and 7630 transitions. Word has length 160 [2024-11-08 18:28:05,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:05,517 INFO L471 AbstractCegarLoop]: Abstraction has 4441 states and 7630 transitions. [2024-11-08 18:28:05,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 4441 states and 7630 transitions. [2024-11-08 18:28:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-08 18:28:05,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:05,541 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:28:05,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:28:05,542 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:05,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:05,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1628739049, now seen corresponding path program 1 times [2024-11-08 18:28:05,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:05,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403949115] [2024-11-08 18:28:05,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:05,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:28:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:28:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:28:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:28:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:28:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:28:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:28:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 18:28:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 18:28:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:28:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:28:05,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:05,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403949115] [2024-11-08 18:28:05,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403949115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:05,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:05,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:05,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521291002] [2024-11-08 18:28:05,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:05,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:05,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:05,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:05,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:05,730 INFO L87 Difference]: Start difference. First operand 4441 states and 7630 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:07,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:07,893 INFO L93 Difference]: Finished difference Result 11104 states and 19428 transitions. [2024-11-08 18:28:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:07,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 161 [2024-11-08 18:28:07,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:07,949 INFO L225 Difference]: With dead ends: 11104 [2024-11-08 18:28:07,949 INFO L226 Difference]: Without dead ends: 7400 [2024-11-08 18:28:07,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:07,967 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1342 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:07,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 998 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 18:28:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7400 states. [2024-11-08 18:28:08,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7400 to 7284. [2024-11-08 18:28:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 6011 states have (on average 1.6489768757278322) internal successors, (9912), 6019 states have internal predecessors, (9912), 1245 states have call successors, (1245), 23 states have call predecessors, (1245), 27 states have return successors, (1362), 1243 states have call predecessors, (1362), 1244 states have call successors, (1362) [2024-11-08 18:28:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 12519 transitions. [2024-11-08 18:28:08,486 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 12519 transitions. Word has length 161 [2024-11-08 18:28:08,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:08,487 INFO L471 AbstractCegarLoop]: Abstraction has 7284 states and 12519 transitions. [2024-11-08 18:28:08,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 12519 transitions. [2024-11-08 18:28:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:28:08,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:08,518 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 18:28:08,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 18:28:08,518 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:08,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:08,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1993224248, now seen corresponding path program 1 times [2024-11-08 18:28:08,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:08,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879646820] [2024-11-08 18:28:08,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:08,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:28:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:28:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:28:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:28:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 18:28:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:28:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:28:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:28:08,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:08,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879646820] [2024-11-08 18:28:08,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879646820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:08,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:08,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:08,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823226695] [2024-11-08 18:28:08,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:08,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:08,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:08,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:08,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:08,780 INFO L87 Difference]: Start difference. First operand 7284 states and 12519 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:28:11,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:11,102 INFO L93 Difference]: Finished difference Result 18524 states and 32392 transitions. [2024-11-08 18:28:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:11,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 143 [2024-11-08 18:28:11,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:11,169 INFO L225 Difference]: With dead ends: 18524 [2024-11-08 18:28:11,169 INFO L226 Difference]: Without dead ends: 12379 [2024-11-08 18:28:11,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:11,196 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1302 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:11,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 982 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 18:28:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12379 states. [2024-11-08 18:28:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12379 to 12263. [2024-11-08 18:28:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12263 states, 10168 states have (on average 1.64860346184107) internal successors, (16763), 10176 states have internal predecessors, (16763), 2067 states have call successors, (2067), 23 states have call predecessors, (2067), 27 states have return successors, (2262), 2065 states have call predecessors, (2262), 2066 states have call successors, (2262) [2024-11-08 18:28:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12263 states to 12263 states and 21092 transitions. [2024-11-08 18:28:12,075 INFO L78 Accepts]: Start accepts. Automaton has 12263 states and 21092 transitions. Word has length 143 [2024-11-08 18:28:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:12,083 INFO L471 AbstractCegarLoop]: Abstraction has 12263 states and 21092 transitions. [2024-11-08 18:28:12,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:28:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 12263 states and 21092 transitions. [2024-11-08 18:28:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 18:28:12,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:12,134 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-11-08 18:28:12,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 18:28:12,134 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:12,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:12,135 INFO L85 PathProgramCache]: Analyzing trace with hash 137189593, now seen corresponding path program 1 times [2024-11-08 18:28:12,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:12,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309342267] [2024-11-08 18:28:12,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:12,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:28:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:28:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:28:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:28:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:28:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 18:28:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 18:28:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 18:28:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:28:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 18:28:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:28:12,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:12,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309342267] [2024-11-08 18:28:12,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309342267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:12,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:12,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:12,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376634949] [2024-11-08 18:28:12,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:12,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:12,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:12,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:12,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:12,336 INFO L87 Difference]: Start difference. First operand 12263 states and 21092 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:15,067 INFO L93 Difference]: Finished difference Result 29482 states and 51252 transitions. [2024-11-08 18:28:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 163 [2024-11-08 18:28:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:15,168 INFO L225 Difference]: With dead ends: 29482 [2024-11-08 18:28:15,168 INFO L226 Difference]: Without dead ends: 19332 [2024-11-08 18:28:15,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:15,205 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1313 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:15,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 951 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 18:28:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19332 states. [2024-11-08 18:28:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19332 to 19216. [2024-11-08 18:28:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 15918 states have (on average 1.6228797587636639) internal successors, (25833), 15926 states have internal predecessors, (25833), 3270 states have call successors, (3270), 23 states have call predecessors, (3270), 27 states have return successors, (3609), 3268 states have call predecessors, (3609), 3269 states have call successors, (3609) [2024-11-08 18:28:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 32712 transitions. [2024-11-08 18:28:16,376 INFO L78 Accepts]: Start accepts. Automaton has 19216 states and 32712 transitions. Word has length 163 [2024-11-08 18:28:16,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:16,376 INFO L471 AbstractCegarLoop]: Abstraction has 19216 states and 32712 transitions. [2024-11-08 18:28:16,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19216 states and 32712 transitions. [2024-11-08 18:28:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:28:16,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:16,420 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:28:16,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 18:28:16,421 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:16,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash 989010263, now seen corresponding path program 1 times [2024-11-08 18:28:16,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:16,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881294961] [2024-11-08 18:28:16,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:28:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 18:28:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 18:28:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:28:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:28:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:28:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:28:16,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:16,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881294961] [2024-11-08 18:28:16,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881294961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:16,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:16,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437645896] [2024-11-08 18:28:16,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:16,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:16,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:16,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:16,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:16,596 INFO L87 Difference]: Start difference. First operand 19216 states and 32712 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:28:20,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:20,307 INFO L93 Difference]: Finished difference Result 50914 states and 88170 transitions. [2024-11-08 18:28:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:20,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 145 [2024-11-08 18:28:20,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:20,476 INFO L225 Difference]: With dead ends: 50914 [2024-11-08 18:28:20,476 INFO L226 Difference]: Without dead ends: 34453 [2024-11-08 18:28:20,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:20,530 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1297 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:20,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 977 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:28:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34453 states. [2024-11-08 18:28:22,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34453 to 34337. [2024-11-08 18:28:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34337 states, 28589 states have (on average 1.6194690265486726) internal successors, (46299), 28597 states have internal predecessors, (46299), 5720 states have call successors, (5720), 23 states have call predecessors, (5720), 27 states have return successors, (6333), 5718 states have call predecessors, (6333), 5719 states have call successors, (6333) [2024-11-08 18:28:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34337 states to 34337 states and 58352 transitions. [2024-11-08 18:28:22,978 INFO L78 Accepts]: Start accepts. Automaton has 34337 states and 58352 transitions. Word has length 145 [2024-11-08 18:28:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:22,979 INFO L471 AbstractCegarLoop]: Abstraction has 34337 states and 58352 transitions. [2024-11-08 18:28:22,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:28:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34337 states and 58352 transitions. [2024-11-08 18:28:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 18:28:23,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:23,037 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:28:23,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 18:28:23,037 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:23,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:23,038 INFO L85 PathProgramCache]: Analyzing trace with hash 817117363, now seen corresponding path program 1 times [2024-11-08 18:28:23,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:23,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944476407] [2024-11-08 18:28:23,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:23,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 18:28:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:28:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:28:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 18:28:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:28:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:28:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 18:28:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 18:28:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:28:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:28:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 18:28:23,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:23,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944476407] [2024-11-08 18:28:23,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944476407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:23,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:23,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:23,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872219472] [2024-11-08 18:28:23,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:23,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:23,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:23,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:23,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:23,379 INFO L87 Difference]: Start difference. First operand 34337 states and 58352 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:27,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:27,479 INFO L93 Difference]: Finished difference Result 93786 states and 161569 transitions. [2024-11-08 18:28:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:27,481 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 165 [2024-11-08 18:28:27,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:27,845 INFO L225 Difference]: With dead ends: 93786 [2024-11-08 18:28:27,845 INFO L226 Difference]: Without dead ends: 63120 [2024-11-08 18:28:27,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:27,960 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1296 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:27,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 981 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:28:28,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63120 states. [2024-11-08 18:28:31,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63120 to 63004. [2024-11-08 18:28:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63004 states, 52743 states have (on average 1.6150768822402972) internal successors, (85184), 52751 states have internal predecessors, (85184), 10233 states have call successors, (10233), 23 states have call predecessors, (10233), 27 states have return successors, (11378), 10231 states have call predecessors, (11378), 10232 states have call successors, (11378) [2024-11-08 18:28:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63004 states to 63004 states and 106795 transitions. [2024-11-08 18:28:32,379 INFO L78 Accepts]: Start accepts. Automaton has 63004 states and 106795 transitions. Word has length 165 [2024-11-08 18:28:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:32,379 INFO L471 AbstractCegarLoop]: Abstraction has 63004 states and 106795 transitions. [2024-11-08 18:28:32,380 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:28:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 63004 states and 106795 transitions. [2024-11-08 18:28:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 18:28:32,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:32,459 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 18:28:32,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 18:28:32,459 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:32,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:32,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1864258185, now seen corresponding path program 1 times [2024-11-08 18:28:32,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:32,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639642327] [2024-11-08 18:28:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:32,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:28:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:28:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:28:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:28:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:28:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:28:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 18:28:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:28:32,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:32,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639642327] [2024-11-08 18:28:32,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639642327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:32,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:32,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:28:32,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311582943] [2024-11-08 18:28:32,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:32,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:28:32,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:32,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:28:32,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:28:32,661 INFO L87 Difference]: Start difference. First operand 63004 states and 106795 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:28:38,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:38,000 INFO L93 Difference]: Finished difference Result 118162 states and 203946 transitions. [2024-11-08 18:28:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:28:38,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 147 [2024-11-08 18:28:38,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:38,649 INFO L225 Difference]: With dead ends: 118162 [2024-11-08 18:28:38,649 INFO L226 Difference]: Without dead ends: 117993 [2024-11-08 18:28:38,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:28:38,697 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1290 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:38,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1015 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 18:28:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117993 states. [2024-11-08 18:28:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117993 to 117877. [2024-11-08 18:28:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117877 states, 99248 states have (on average 1.6096243753022732) internal successors, (159752), 99256 states have internal predecessors, (159752), 18601 states have call successors, (18601), 23 states have call predecessors, (18601), 27 states have return successors, (20792), 18599 states have call predecessors, (20792), 18600 states have call successors, (20792) [2024-11-08 18:28:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117877 states to 117877 states and 199145 transitions. [2024-11-08 18:28:44,502 INFO L78 Accepts]: Start accepts. Automaton has 117877 states and 199145 transitions. Word has length 147 [2024-11-08 18:28:44,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:44,502 INFO L471 AbstractCegarLoop]: Abstraction has 117877 states and 199145 transitions. [2024-11-08 18:28:44,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 18:28:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 117877 states and 199145 transitions. [2024-11-08 18:28:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 18:28:44,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:44,619 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 18:28:44,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 18:28:44,619 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:44,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:44,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1369399148, now seen corresponding path program 1 times [2024-11-08 18:28:44,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:44,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374729102] [2024-11-08 18:28:44,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 18:28:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 18:28:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 18:28:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:28:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:28:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 18:28:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:28:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:28:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 18:28:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:28:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 18:28:45,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:45,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374729102] [2024-11-08 18:28:45,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374729102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:28:45,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45132390] [2024-11-08 18:28:45,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:45,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:28:45,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:28:45,491 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:28:45,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcadfd02-4d51-4a63-8c26-905a54e7d4c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 18:28:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:46,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:28:46,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 18:28:47,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:47,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45132390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:47,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:28:47,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-11-08 18:28:47,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958726225] [2024-11-08 18:28:47,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:47,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:28:47,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:47,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:28:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:28:47,259 INFO L87 Difference]: Start difference. First operand 117877 states and 199145 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-08 18:28:55,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:55,078 INFO L93 Difference]: Finished difference Result 234829 states and 402209 transitions. [2024-11-08 18:28:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:28:55,078 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) Word has length 148 [2024-11-08 18:28:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:56,892 INFO L225 Difference]: With dead ends: 234829 [2024-11-08 18:28:56,892 INFO L226 Difference]: Without dead ends: 234666 [2024-11-08 18:28:56,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 18:28:56,983 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 1446 mSDsluCounter, 3857 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 4503 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:56,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 4503 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 18:28:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234666 states.