./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product23.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_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/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_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/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_c3df68cd-945d-4476-a5d2-b32a65e3851e/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 aa34593061e3e0a5eeea5cc3a3930a050ef50f60dff03c88799c643f69d7f641 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:50:09,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:50:09,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:50:09,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:50:09,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:50:09,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:50:09,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:50:09,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:50:09,431 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:50:09,431 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:50:09,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:50:09,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:50:09,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:50:09,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:50:09,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:50:09,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:50:09,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:50:09,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:50:09,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:50:09,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:50:09,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:50:09,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:50:09,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:50:09,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:50:09,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:50:09,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:50:09,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:50:09,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:50:09,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:50:09,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:50:09,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:50:09,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:50:09,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:50:09,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:50:09,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:50:09,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:50:09,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:50:09,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:50:09,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:50:09,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:50:09,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:50:09,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:50:09,463 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_c3df68cd-945d-4476-a5d2-b32a65e3851e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa34593061e3e0a5eeea5cc3a3930a050ef50f60dff03c88799c643f69d7f641 [2024-11-08 17:50:09,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:50:09,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:50:09,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:50:09,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:50:09,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:50:09,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/email_spec4_product23.cil.c Unable to find full path for "g++" [2024-11-08 17:50:11,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:50:12,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:50:12,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/sv-benchmarks/c/product-lines/email_spec4_product23.cil.c [2024-11-08 17:50:12,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/data/844a646c1/2022d5b5258340e3a6e18cbf5fe05e55/FLAG234254dbf [2024-11-08 17:50:12,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/data/844a646c1/2022d5b5258340e3a6e18cbf5fe05e55 [2024-11-08 17:50:12,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:50:12,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:50:12,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:50:12,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:50:12,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:50:12,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:50:12" (1/1) ... [2024-11-08 17:50:12,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377c71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:12, skipping insertion in model container [2024-11-08 17:50:12,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:50:12" (1/1) ... [2024-11-08 17:50:12,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:50:13,284 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_c3df68cd-945d-4476-a5d2-b32a65e3851e/sv-benchmarks/c/product-lines/email_spec4_product23.cil.c[63051,63064] [2024-11-08 17:50:13,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:50:13,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:50:13,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-08 17:50:13,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1128] [2024-11-08 17:50:13,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [1494] [2024-11-08 17:50:13,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1535] [2024-11-08 17:50:13,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1553] [2024-11-08 17:50:13,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1659] [2024-11-08 17:50:13,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1999] [2024-11-08 17:50:13,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2228] [2024-11-08 17:50:13,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2629] [2024-11-08 17:50:13,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2920] [2024-11-08 17:50:13,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2929] [2024-11-08 17:50:13,547 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_c3df68cd-945d-4476-a5d2-b32a65e3851e/sv-benchmarks/c/product-lines/email_spec4_product23.cil.c[63051,63064] [2024-11-08 17:50:13,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:50:13,604 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:50:13,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13 WrapperNode [2024-11-08 17:50:13,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:50:13,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:50:13,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:50:13,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:50:13,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,750 INFO L138 Inliner]: procedures = 130, calls = 200, calls flagged for inlining = 59, calls inlined = 52, statements flattened = 968 [2024-11-08 17:50:13,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:50:13,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:50:13,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:50:13,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:50:13,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,810 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 17:50:13,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:50:13,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:50:13,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:50:13,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:50:13,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (1/1) ... [2024-11-08 17:50:13,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:50:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:13,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:50:13,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:50:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-08 17:50:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-08 17:50:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 17:50:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 17:50:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 17:50:13,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 17:50:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 17:50:13,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 17:50:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 17:50:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 17:50:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 17:50:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 17:50:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 17:50:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 17:50:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 17:50:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 17:50:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-08 17:50:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-08 17:50:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 17:50:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 17:50:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 17:50:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 17:50:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 17:50:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 17:50:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:50:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-08 17:50:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-08 17:50:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 17:50:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 17:50:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 17:50:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 17:50:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 17:50:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 17:50:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 17:50:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 17:50:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 17:50:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 17:50:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 17:50:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 17:50:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 17:50:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 17:50:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:50:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:50:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:50:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:50:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 17:50:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 17:50:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 17:50:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 17:50:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:50:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:50:14,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:50:14,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:50:15,632 INFO L? ?]: Removed 501 outVars from TransFormulas that were not future-live. [2024-11-08 17:50:15,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:50:15,675 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:50:15,675 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:50:15,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:50:15 BoogieIcfgContainer [2024-11-08 17:50:15,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:50:15,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:50:15,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:50:15,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:50:15,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:50:12" (1/3) ... [2024-11-08 17:50:15,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fab5251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:50:15, skipping insertion in model container [2024-11-08 17:50:15,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:50:13" (2/3) ... [2024-11-08 17:50:15,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fab5251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:50:15, skipping insertion in model container [2024-11-08 17:50:15,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:50:15" (3/3) ... [2024-11-08 17:50:15,693 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product23.cil.c [2024-11-08 17:50:15,717 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:50:15,717 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:50:15,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:50:15,847 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;@59c53d86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:50:15,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:50:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 293 states have (on average 1.57679180887372) internal successors, (462), 296 states have internal predecessors, (462), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 17:50:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 17:50:15,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:15,880 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] [2024-11-08 17:50:15,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:15,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1372212676, now seen corresponding path program 1 times [2024-11-08 17:50:15,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:15,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129873061] [2024-11-08 17:50:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:15,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:50:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:50:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:50:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:50:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 17:50:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:50:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:50:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:50:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:50:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:50:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:16,960 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 17:50:16,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129873061] [2024-11-08 17:50:16,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129873061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:16,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080335768] [2024-11-08 17:50:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:16,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:16,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:16,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:16,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:50:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:17,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:50:17,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:50:17,452 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 17:50:17,453 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:50:17,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080335768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:17,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:50:17,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 17:50:17,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198551521] [2024-11-08 17:50:17,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:17,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:50:17,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:17,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:50:17,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:50:17,491 INFO L87 Difference]: Start difference. First operand has 369 states, 293 states have (on average 1.57679180887372) internal successors, (462), 296 states have internal predecessors, (462), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:17,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:17,568 INFO L93 Difference]: Finished difference Result 545 states and 822 transitions. [2024-11-08 17:50:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:50:17,571 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2024-11-08 17:50:17,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:17,597 INFO L225 Difference]: With dead ends: 545 [2024-11-08 17:50:17,600 INFO L226 Difference]: Without dead ends: 362 [2024-11-08 17:50:17,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:50:17,615 INFO L432 NwaCegarLoop]: 562 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, 562 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:17,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:50:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-08 17:50:17,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-08 17:50:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 287 states have (on average 1.5714285714285714) internal successors, (451), 289 states have internal predecessors, (451), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 17:50:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 554 transitions. [2024-11-08 17:50:17,707 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 554 transitions. Word has length 101 [2024-11-08 17:50:17,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:17,709 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 554 transitions. [2024-11-08 17:50:17,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 554 transitions. [2024-11-08 17:50:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 17:50:17,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:17,715 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] [2024-11-08 17:50:17,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:50:17,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:17,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:17,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:17,921 INFO L85 PathProgramCache]: Analyzing trace with hash 683620454, now seen corresponding path program 1 times [2024-11-08 17:50:17,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:17,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395164126] [2024-11-08 17:50:17,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:17,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:50:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:50:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:50:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:50:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:50:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:50:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:50:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:50:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:50:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:50:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,373 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 17:50:18,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:18,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395164126] [2024-11-08 17:50:18,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395164126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:18,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877735578] [2024-11-08 17:50:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:18,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:18,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:18,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:18,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:50:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:18,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:50:18,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:50:18,795 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 17:50:18,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:50:18,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877735578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:18,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:50:18,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 17:50:18,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199096085] [2024-11-08 17:50:18,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:18,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:50:18,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:18,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:50:18,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:50:18,800 INFO L87 Difference]: Start difference. First operand 362 states and 554 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:18,853 INFO L93 Difference]: Finished difference Result 535 states and 800 transitions. [2024-11-08 17:50:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:50:18,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 102 [2024-11-08 17:50:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:18,858 INFO L225 Difference]: With dead ends: 535 [2024-11-08 17:50:18,859 INFO L226 Difference]: Without dead ends: 365 [2024-11-08 17:50:18,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:50:18,862 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 1 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:18,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1102 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:50:18,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-08 17:50:18,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 364. [2024-11-08 17:50:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 289 states have (on average 1.5674740484429066) internal successors, (453), 291 states have internal predecessors, (453), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 17:50:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 556 transitions. [2024-11-08 17:50:18,893 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 556 transitions. Word has length 102 [2024-11-08 17:50:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:18,893 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 556 transitions. [2024-11-08 17:50:18,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 556 transitions. [2024-11-08 17:50:18,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 17:50:18,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:18,899 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] [2024-11-08 17:50:18,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:50:19,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:19,103 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:19,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:19,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1503383801, now seen corresponding path program 1 times [2024-11-08 17:50:19,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:19,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465070637] [2024-11-08 17:50:19,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:19,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:50:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:50:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:50:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:50:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:50:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:50:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:50:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:50:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:50:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:50:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,449 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 17:50:19,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:19,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465070637] [2024-11-08 17:50:19,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465070637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:19,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830703368] [2024-11-08 17:50:19,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:19,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:19,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:19,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:19,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:50:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:19,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:50:19,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:50:19,864 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 17:50:19,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:50:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830703368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:19,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:50:19,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 17:50:19,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786977234] [2024-11-08 17:50:19,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:19,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:50:19,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:50:19,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:50:19,871 INFO L87 Difference]: Start difference. First operand 364 states and 556 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:19,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:19,947 INFO L93 Difference]: Finished difference Result 776 states and 1204 transitions. [2024-11-08 17:50:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:50:19,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2024-11-08 17:50:19,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:19,955 INFO L225 Difference]: With dead ends: 776 [2024-11-08 17:50:19,956 INFO L226 Difference]: Without dead ends: 439 [2024-11-08 17:50:19,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:50:19,960 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 134 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:19,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1081 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:50:19,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-08 17:50:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 431. [2024-11-08 17:50:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 342 states have (on average 1.5847953216374269) internal successors, (542), 344 states have internal predecessors, (542), 66 states have call successors, (66), 22 states have call predecessors, (66), 22 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-08 17:50:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 673 transitions. [2024-11-08 17:50:20,003 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 673 transitions. Word has length 111 [2024-11-08 17:50:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:20,004 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 673 transitions. [2024-11-08 17:50:20,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 673 transitions. [2024-11-08 17:50:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 17:50:20,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:20,008 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] [2024-11-08 17:50:20,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:50:20,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:20,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:20,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash -640522925, now seen corresponding path program 1 times [2024-11-08 17:50:20,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:20,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906522817] [2024-11-08 17:50:20,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:50:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:50:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:50:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 17:50:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:50:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:50:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:50:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:50:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:50:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:50:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,524 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 17:50:20,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:20,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906522817] [2024-11-08 17:50:20,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906522817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:20,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719955346] [2024-11-08 17:50:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:20,527 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:20,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:50:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:20,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:50:20,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:50:20,950 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 17:50:20,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:50:20,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719955346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:20,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:50:20,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 17:50:20,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687768717] [2024-11-08 17:50:20,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:20,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:50:20,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:20,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:50:20,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:50:20,953 INFO L87 Difference]: Start difference. First operand 431 states and 673 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:21,025 INFO L93 Difference]: Finished difference Result 853 states and 1336 transitions. [2024-11-08 17:50:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:50:21,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 112 [2024-11-08 17:50:21,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:21,030 INFO L225 Difference]: With dead ends: 853 [2024-11-08 17:50:21,030 INFO L226 Difference]: Without dead ends: 433 [2024-11-08 17:50:21,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:50:21,033 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 2 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:21,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2173 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:50:21,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-08 17:50:21,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2024-11-08 17:50:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 343 states have (on average 1.5830903790087463) internal successors, (543), 346 states have internal predecessors, (543), 66 states have call successors, (66), 22 states have call predecessors, (66), 23 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-08 17:50:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 676 transitions. [2024-11-08 17:50:21,058 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 676 transitions. Word has length 112 [2024-11-08 17:50:21,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:21,060 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 676 transitions. [2024-11-08 17:50:21,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 676 transitions. [2024-11-08 17:50:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 17:50:21,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:21,065 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] [2024-11-08 17:50:21,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 17:50:21,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:21,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:21,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:21,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1053492993, now seen corresponding path program 1 times [2024-11-08 17:50:21,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:21,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596869844] [2024-11-08 17:50:21,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:21,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:50:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:50:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:50:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:50:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:50:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:50:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:50:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:50:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:50:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:21,632 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 17:50:21,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:21,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596869844] [2024-11-08 17:50:21,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596869844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:21,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826634997] [2024-11-08 17:50:21,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:21,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:21,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:21,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:21,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:50:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:50:22,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:50:22,090 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 17:50:22,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:50:22,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826634997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:22,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:50:22,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 17:50:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933711541] [2024-11-08 17:50:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:22,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:50:22,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:22,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:50:22,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:50:22,097 INFO L87 Difference]: Start difference. First operand 433 states and 676 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:22,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:22,198 INFO L93 Difference]: Finished difference Result 855 states and 1341 transitions. [2024-11-08 17:50:22,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:50:22,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 113 [2024-11-08 17:50:22,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:22,204 INFO L225 Difference]: With dead ends: 855 [2024-11-08 17:50:22,207 INFO L226 Difference]: Without dead ends: 435 [2024-11-08 17:50:22,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 131 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 17:50:22,209 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 2 mSDsluCounter, 1615 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:22,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2159 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:50:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-08 17:50:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-11-08 17:50:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 344 states have (on average 1.5813953488372092) internal successors, (544), 348 states have internal predecessors, (544), 66 states have call successors, (66), 22 states have call predecessors, (66), 24 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-08 17:50:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 682 transitions. [2024-11-08 17:50:22,244 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 682 transitions. Word has length 113 [2024-11-08 17:50:22,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:22,245 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 682 transitions. [2024-11-08 17:50:22,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 682 transitions. [2024-11-08 17:50:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 17:50:22,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:22,251 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] [2024-11-08 17:50:22,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:50:22,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:22,452 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:22,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:22,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1703540196, now seen corresponding path program 1 times [2024-11-08 17:50:22,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:22,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470677192] [2024-11-08 17:50:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:22,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:50:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:50:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:50:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:50:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:50:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:50:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:50:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:50:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 17:50:22,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:22,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470677192] [2024-11-08 17:50:22,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470677192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:22,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:22,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:50:22,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902447321] [2024-11-08 17:50:22,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:22,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:50:22,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:22,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:50:22,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:50:22,760 INFO L87 Difference]: Start difference. First operand 435 states and 682 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:25,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:25,670 INFO L93 Difference]: Finished difference Result 970 states and 1546 transitions. [2024-11-08 17:50:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:50:25,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 114 [2024-11-08 17:50:25,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:25,678 INFO L225 Difference]: With dead ends: 970 [2024-11-08 17:50:25,678 INFO L226 Difference]: Without dead ends: 558 [2024-11-08 17:50:25,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:50:25,680 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1216 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 2760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:25,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 1338 Invalid, 2760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 17:50:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-08 17:50:25,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 435. [2024-11-08 17:50:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 344 states have (on average 1.5813953488372092) internal successors, (544), 348 states have internal predecessors, (544), 66 states have call successors, (66), 22 states have call predecessors, (66), 24 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-08 17:50:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 681 transitions. [2024-11-08 17:50:25,742 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 681 transitions. Word has length 114 [2024-11-08 17:50:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:25,742 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 681 transitions. [2024-11-08 17:50:25,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 681 transitions. [2024-11-08 17:50:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 17:50:25,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:25,746 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] [2024-11-08 17:50:25,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:50:25,746 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:25,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:25,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1329255850, now seen corresponding path program 2 times [2024-11-08 17:50:25,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:25,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630201499] [2024-11-08 17:50:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:25,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:50:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:50:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:50:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:50:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:50:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:50:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:50:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:50:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:26,006 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 17:50:26,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630201499] [2024-11-08 17:50:26,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630201499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:26,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:26,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:50:26,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428755394] [2024-11-08 17:50:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:26,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:50:26,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:26,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:50:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:50:26,009 INFO L87 Difference]: Start difference. First operand 435 states and 681 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:28,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:28,774 INFO L93 Difference]: Finished difference Result 972 states and 1549 transitions. [2024-11-08 17:50:28,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:50:28,775 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-11-08 17:50:28,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:28,779 INFO L225 Difference]: With dead ends: 972 [2024-11-08 17:50:28,780 INFO L226 Difference]: Without dead ends: 560 [2024-11-08 17:50:28,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:50:28,782 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1208 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 2791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:28,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1339 Invalid, 2791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 17:50:28,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-08 17:50:28,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 437. [2024-11-08 17:50:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 350 states have internal predecessors, (545), 66 states have call successors, (66), 22 states have call predecessors, (66), 25 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-08 17:50:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 684 transitions. [2024-11-08 17:50:28,854 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 684 transitions. Word has length 115 [2024-11-08 17:50:28,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:28,855 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 684 transitions. [2024-11-08 17:50:28,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 17:50:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 684 transitions. [2024-11-08 17:50:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 17:50:28,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:28,858 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] [2024-11-08 17:50:28,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:50:28,858 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:28,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:28,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1999603401, now seen corresponding path program 1 times [2024-11-08 17:50:28,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:28,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271935435] [2024-11-08 17:50:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:50:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:50:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:50:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:50:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:50:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:50:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:50:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:29,157 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 17:50:29,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:29,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271935435] [2024-11-08 17:50:29,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271935435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:29,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:29,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:50:29,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249919074] [2024-11-08 17:50:29,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:29,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:50:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:50:29,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:50:29,160 INFO L87 Difference]: Start difference. First operand 437 states and 684 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 17:50:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:32,654 INFO L93 Difference]: Finished difference Result 970 states and 1544 transitions. [2024-11-08 17:50:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:50:32,656 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 116 [2024-11-08 17:50:32,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:32,661 INFO L225 Difference]: With dead ends: 970 [2024-11-08 17:50:32,661 INFO L226 Difference]: Without dead ends: 560 [2024-11-08 17:50:32,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:50:32,663 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1215 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 3975 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 4356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 3975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:32,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1854 Invalid, 4356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [381 Valid, 3975 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 17:50:32,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-08 17:50:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 437. [2024-11-08 17:50:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 350 states have internal predecessors, (545), 66 states have call successors, (66), 22 states have call predecessors, (66), 25 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-08 17:50:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 683 transitions. [2024-11-08 17:50:32,721 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 683 transitions. Word has length 116 [2024-11-08 17:50:32,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:32,722 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 683 transitions. [2024-11-08 17:50:32,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 17:50:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 683 transitions. [2024-11-08 17:50:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 17:50:32,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:32,727 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] [2024-11-08 17:50:32,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:50:32,727 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:32,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1917442172, now seen corresponding path program 2 times [2024-11-08 17:50:32,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:32,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591982812] [2024-11-08 17:50:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:32,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:32,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:32,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:50:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:50:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:50:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:50:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:50:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:50:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:50:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:33,071 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 17:50:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:33,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591982812] [2024-11-08 17:50:33,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591982812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:33,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:33,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:50:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735134095] [2024-11-08 17:50:33,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:33,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:50:33,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:33,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:50:33,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:50:33,074 INFO L87 Difference]: Start difference. First operand 437 states and 683 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 17:50:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:36,426 INFO L93 Difference]: Finished difference Result 972 states and 1550 transitions. [2024-11-08 17:50:36,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:50:36,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 117 [2024-11-08 17:50:36,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:36,432 INFO L225 Difference]: With dead ends: 972 [2024-11-08 17:50:36,433 INFO L226 Difference]: Without dead ends: 562 [2024-11-08 17:50:36,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:50:36,436 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1211 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4077 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 4438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 4077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:36,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 1857 Invalid, 4438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 4077 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 17:50:36,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-08 17:50:36,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 439. [2024-11-08 17:50:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 346 states have (on average 1.5780346820809248) internal successors, (546), 352 states have internal predecessors, (546), 66 states have call successors, (66), 22 states have call predecessors, (66), 26 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-11-08 17:50:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 689 transitions. [2024-11-08 17:50:36,479 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 689 transitions. Word has length 117 [2024-11-08 17:50:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:36,480 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 689 transitions. [2024-11-08 17:50:36,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 17:50:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 689 transitions. [2024-11-08 17:50:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 17:50:36,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:36,483 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] [2024-11-08 17:50:36,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:50:36,484 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:36,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1009860466, now seen corresponding path program 1 times [2024-11-08 17:50:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:36,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129972333] [2024-11-08 17:50:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:50:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:50:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:50:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:50:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:50:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:50:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:50:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:36,846 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 17:50:36,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:36,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129972333] [2024-11-08 17:50:36,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129972333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:50:36,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664143524] [2024-11-08 17:50:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:36,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:50:36,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:50:36,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:50:36,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:50:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:37,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:50:37,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:50:37,211 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 17:50:37,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:50:37,351 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 17:50:37,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664143524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:50:37,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:50:37,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 17:50:37,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744065351] [2024-11-08 17:50:37,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:50:37,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:50:37,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:37,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:50:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:50:37,354 INFO L87 Difference]: Start difference. First operand 439 states and 689 transitions. Second operand has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-08 17:50:41,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:41,603 INFO L93 Difference]: Finished difference Result 1412 states and 2347 transitions. [2024-11-08 17:50:41,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:50:41,605 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 118 [2024-11-08 17:50:41,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:41,611 INFO L225 Difference]: With dead ends: 1412 [2024-11-08 17:50:41,611 INFO L226 Difference]: Without dead ends: 1004 [2024-11-08 17:50:41,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 17:50:41,614 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 2407 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 4996 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 5740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 4996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:41,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 2202 Invalid, 5740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [744 Valid, 4996 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-08 17:50:41,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2024-11-08 17:50:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 857. [2024-11-08 17:50:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 685 states have (on average 1.6233576642335767) internal successors, (1112), 691 states have internal predecessors, (1112), 145 states have call successors, (145), 22 states have call predecessors, (145), 26 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-11-08 17:50:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1423 transitions. [2024-11-08 17:50:41,679 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1423 transitions. Word has length 118 [2024-11-08 17:50:41,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:41,679 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1423 transitions. [2024-11-08 17:50:41,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-08 17:50:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1423 transitions. [2024-11-08 17:50:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:50:41,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:41,684 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] [2024-11-08 17:50:41,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 17:50:41,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df68cd-945d-4476-a5d2-b32a65e3851e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 17:50:41,885 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:41,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:41,886 INFO L85 PathProgramCache]: Analyzing trace with hash -511271629, now seen corresponding path program 1 times [2024-11-08 17:50:41,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:41,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874186605] [2024-11-08 17:50:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:41,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:41,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:41,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:50:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:50:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:50:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:50:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:50:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:50:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:50:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:42,039 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 17:50:42,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:42,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874186605] [2024-11-08 17:50:42,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874186605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:42,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:42,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784295126] [2024-11-08 17:50:42,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:42,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:42,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:42,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:42,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:42,042 INFO L87 Difference]: Start difference. First operand 857 states and 1423 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:43,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:43,858 INFO L93 Difference]: Finished difference Result 2157 states and 3676 transitions. [2024-11-08 17:50:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:43,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2024-11-08 17:50:43,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:43,870 INFO L225 Difference]: With dead ends: 2157 [2024-11-08 17:50:43,870 INFO L226 Difference]: Without dead ends: 1378 [2024-11-08 17:50:43,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:50:43,874 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1343 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 1807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:43,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 1001 Invalid, 1807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:50:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-08 17:50:43,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1247. [2024-11-08 17:50:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 996 states have (on average 1.6385542168674698) internal successors, (1632), 1002 states have internal predecessors, (1632), 224 states have call successors, (224), 22 states have call predecessors, (224), 26 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-11-08 17:50:43,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2111 transitions. [2024-11-08 17:50:43,962 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2111 transitions. Word has length 121 [2024-11-08 17:50:43,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:43,963 INFO L471 AbstractCegarLoop]: Abstraction has 1247 states and 2111 transitions. [2024-11-08 17:50:43,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2111 transitions. [2024-11-08 17:50:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 17:50:43,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:43,970 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] [2024-11-08 17:50:43,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:50:43,970 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:43,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:43,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2110568174, now seen corresponding path program 1 times [2024-11-08 17:50:43,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:43,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513917396] [2024-11-08 17:50:43,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:43,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:50:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:50:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:50:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:50:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:50:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:50:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:50:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:44,118 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 17:50:44,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:44,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513917396] [2024-11-08 17:50:44,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513917396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:44,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:44,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:44,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748115766] [2024-11-08 17:50:44,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:44,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:44,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:44,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:44,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:44,121 INFO L87 Difference]: Start difference. First operand 1247 states and 2111 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:46,151 INFO L93 Difference]: Finished difference Result 3131 states and 5385 transitions. [2024-11-08 17:50:46,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:46,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2024-11-08 17:50:46,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:46,168 INFO L225 Difference]: With dead ends: 3131 [2024-11-08 17:50:46,168 INFO L226 Difference]: Without dead ends: 2015 [2024-11-08 17:50:46,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:50:46,175 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1339 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:46,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 977 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:50:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2024-11-08 17:50:46,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1884. [2024-11-08 17:50:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1884 states, 1514 states have (on average 1.6446499339498017) internal successors, (2490), 1520 states have internal predecessors, (2490), 343 states have call successors, (343), 22 states have call predecessors, (343), 26 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-11-08 17:50:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 3207 transitions. [2024-11-08 17:50:46,381 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 3207 transitions. Word has length 122 [2024-11-08 17:50:46,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:46,382 INFO L471 AbstractCegarLoop]: Abstraction has 1884 states and 3207 transitions. [2024-11-08 17:50:46,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3207 transitions. [2024-11-08 17:50:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 17:50:46,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:46,398 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] [2024-11-08 17:50:46,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:50:46,399 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:46,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:46,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1242380513, now seen corresponding path program 1 times [2024-11-08 17:50:46,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:46,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109121721] [2024-11-08 17:50:46,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:46,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:50:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:50:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:50:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:50:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:50:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:50:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:50:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:46,599 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 17:50:46,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109121721] [2024-11-08 17:50:46,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109121721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:46,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:46,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:46,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547916755] [2024-11-08 17:50:46,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:46,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:46,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:46,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:46,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:46,603 INFO L87 Difference]: Start difference. First operand 1884 states and 3207 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:48,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:48,580 INFO L93 Difference]: Finished difference Result 4611 states and 7996 transitions. [2024-11-08 17:50:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:48,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2024-11-08 17:50:48,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:48,598 INFO L225 Difference]: With dead ends: 4611 [2024-11-08 17:50:48,598 INFO L226 Difference]: Without dead ends: 2993 [2024-11-08 17:50:48,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:50:48,606 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1337 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:48,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 974 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:50:48,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2024-11-08 17:50:48,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2862. [2024-11-08 17:50:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2330 states have (on average 1.6497854077253218) internal successors, (3844), 2336 states have internal predecessors, (3844), 505 states have call successors, (505), 22 states have call predecessors, (505), 26 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-11-08 17:50:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 4901 transitions. [2024-11-08 17:50:48,790 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 4901 transitions. Word has length 123 [2024-11-08 17:50:48,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:48,791 INFO L471 AbstractCegarLoop]: Abstraction has 2862 states and 4901 transitions. [2024-11-08 17:50:48,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:48,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 4901 transitions. [2024-11-08 17:50:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 17:50:48,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:48,804 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] [2024-11-08 17:50:48,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:50:48,804 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:48,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:48,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1966839663, now seen corresponding path program 1 times [2024-11-08 17:50:48,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:48,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700628560] [2024-11-08 17:50:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:50:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:50:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:50:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:50:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:50:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:50:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:50:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:48,951 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 17:50:48,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:48,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700628560] [2024-11-08 17:50:48,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700628560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:48,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:48,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:48,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719649992] [2024-11-08 17:50:48,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:48,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:48,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:48,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:48,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:48,954 INFO L87 Difference]: Start difference. First operand 2862 states and 4901 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:50,988 INFO L93 Difference]: Finished difference Result 6950 states and 12131 transitions. [2024-11-08 17:50:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:50,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2024-11-08 17:50:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:51,018 INFO L225 Difference]: With dead ends: 6950 [2024-11-08 17:50:51,019 INFO L226 Difference]: Without dead ends: 4573 [2024-11-08 17:50:51,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:50:51,031 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1338 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:51,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 974 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:50:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2024-11-08 17:50:51,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 4442. [2024-11-08 17:50:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 3665 states have (on average 1.6534788540245566) internal successors, (6060), 3671 states have internal predecessors, (6060), 750 states have call successors, (750), 22 states have call predecessors, (750), 26 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-11-08 17:50:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 7633 transitions. [2024-11-08 17:50:51,316 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 7633 transitions. Word has length 124 [2024-11-08 17:50:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:51,316 INFO L471 AbstractCegarLoop]: Abstraction has 4442 states and 7633 transitions. [2024-11-08 17:50:51,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 7633 transitions. [2024-11-08 17:50:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:50:51,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:51,331 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] [2024-11-08 17:50:51,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:50:51,331 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:51,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:51,332 INFO L85 PathProgramCache]: Analyzing trace with hash 596359357, now seen corresponding path program 1 times [2024-11-08 17:50:51,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:51,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457046202] [2024-11-08 17:50:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:50:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:50:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:50:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:50:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:50:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:50:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:50:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:51,465 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 17:50:51,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:51,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457046202] [2024-11-08 17:50:51,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457046202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:51,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:51,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:51,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795105421] [2024-11-08 17:50:51,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:51,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:51,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:51,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:51,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:51,468 INFO L87 Difference]: Start difference. First operand 4442 states and 7633 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:53,722 INFO L93 Difference]: Finished difference Result 11121 states and 19460 transitions. [2024-11-08 17:50:53,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:53,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2024-11-08 17:50:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:53,768 INFO L225 Difference]: With dead ends: 11121 [2024-11-08 17:50:53,768 INFO L226 Difference]: Without dead ends: 7416 [2024-11-08 17:50:53,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:50:53,783 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1335 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:53,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1354 Valid, 1022 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 17:50:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7416 states. [2024-11-08 17:50:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7416 to 7285. [2024-11-08 17:50:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7285 states, 6015 states have (on average 1.6490440565253532) internal successors, (9919), 6021 states have internal predecessors, (9919), 1243 states have call successors, (1243), 22 states have call predecessors, (1243), 26 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-11-08 17:50:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7285 states to 7285 states and 12522 transitions. [2024-11-08 17:50:54,208 INFO L78 Accepts]: Start accepts. Automaton has 7285 states and 12522 transitions. Word has length 125 [2024-11-08 17:50:54,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:54,209 INFO L471 AbstractCegarLoop]: Abstraction has 7285 states and 12522 transitions. [2024-11-08 17:50:54,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 7285 states and 12522 transitions. [2024-11-08 17:50:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:50:54,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:54,226 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] [2024-11-08 17:50:54,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:50:54,226 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:54,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:54,228 INFO L85 PathProgramCache]: Analyzing trace with hash 431021971, now seen corresponding path program 1 times [2024-11-08 17:50:54,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:54,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000993462] [2024-11-08 17:50:54,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:50:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:50:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:50:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:50:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:50:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:50:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:50:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:54,380 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 17:50:54,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000993462] [2024-11-08 17:50:54,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000993462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:54,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:54,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:54,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507029600] [2024-11-08 17:50:54,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:54,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:54,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:54,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:54,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:54,383 INFO L87 Difference]: Start difference. First operand 7285 states and 12522 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:56,531 INFO L93 Difference]: Finished difference Result 18541 states and 32424 transitions. [2024-11-08 17:50:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:56,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-11-08 17:50:56,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:56,588 INFO L225 Difference]: With dead ends: 18541 [2024-11-08 17:50:56,589 INFO L226 Difference]: Without dead ends: 12395 [2024-11-08 17:50:56,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:50:56,613 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1330 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:56,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 978 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:50:56,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12395 states. [2024-11-08 17:50:57,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12395 to 12264. [2024-11-08 17:50:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12264 states, 10172 states have (on average 1.6486433346441212) internal successors, (16770), 10178 states have internal predecessors, (16770), 2065 states have call successors, (2065), 22 states have call predecessors, (2065), 26 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-11-08 17:50:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12264 states to 12264 states and 21095 transitions. [2024-11-08 17:50:57,401 INFO L78 Accepts]: Start accepts. Automaton has 12264 states and 21095 transitions. Word has length 126 [2024-11-08 17:50:57,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:57,402 INFO L471 AbstractCegarLoop]: Abstraction has 12264 states and 21095 transitions. [2024-11-08 17:50:57,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 12264 states and 21095 transitions. [2024-11-08 17:50:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 17:50:57,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:57,429 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] [2024-11-08 17:50:57,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:50:57,429 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:57,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:57,430 INFO L85 PathProgramCache]: Analyzing trace with hash -949354145, now seen corresponding path program 1 times [2024-11-08 17:50:57,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:50:57,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804507879] [2024-11-08 17:50:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:50:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:50:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:50:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:50:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:50:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:50:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:50:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:50:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:50:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:50:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:50:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:50:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:50:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:50:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:57,608 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 17:50:57,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:50:57,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804507879] [2024-11-08 17:50:57,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804507879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:50:57,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:50:57,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:50:57,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338870605] [2024-11-08 17:50:57,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:50:57,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:50:57,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:50:57,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:50:57,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:50:57,613 INFO L87 Difference]: Start difference. First operand 12264 states and 21095 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:50:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:59,895 INFO L93 Difference]: Finished difference Result 29499 states and 51284 transitions. [2024-11-08 17:50:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:50:59,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-08 17:50:59,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:59,991 INFO L225 Difference]: With dead ends: 29499 [2024-11-08 17:50:59,992 INFO L226 Difference]: Without dead ends: 19348 [2024-11-08 17:51:00,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:51:00,029 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1326 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 1787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:51:00,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 953 Invalid, 1787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:51:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2024-11-08 17:51:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 19217. [2024-11-08 17:51:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19217 states, 15922 states have (on average 1.6229116945107398) internal successors, (25840), 15928 states have internal predecessors, (25840), 3268 states have call successors, (3268), 22 states have call predecessors, (3268), 26 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-11-08 17:51:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 32715 transitions. [2024-11-08 17:51:01,403 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 32715 transitions. Word has length 127 [2024-11-08 17:51:01,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:51:01,404 INFO L471 AbstractCegarLoop]: Abstraction has 19217 states and 32715 transitions. [2024-11-08 17:51:01,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 32715 transitions. [2024-11-08 17:51:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:51:01,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:01,439 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] [2024-11-08 17:51:01,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:51:01,440 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:51:01,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:01,440 INFO L85 PathProgramCache]: Analyzing trace with hash 643036084, now seen corresponding path program 1 times [2024-11-08 17:51:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:01,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203108326] [2024-11-08 17:51:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:51:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:51:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:51:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:51:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:51:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:51:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:51:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:51:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:51:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:51:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:51:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:51:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:51:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:01,630 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 17:51:01,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:01,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203108326] [2024-11-08 17:51:01,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203108326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:01,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:01,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:51:01,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427660103] [2024-11-08 17:51:01,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:01,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:51:01,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:01,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:51:01,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:51:01,634 INFO L87 Difference]: Start difference. First operand 19217 states and 32715 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:04,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:51:04,783 INFO L93 Difference]: Finished difference Result 50931 states and 88202 transitions. [2024-11-08 17:51:04,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:51:04,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2024-11-08 17:51:04,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:51:04,973 INFO L225 Difference]: With dead ends: 50931 [2024-11-08 17:51:04,973 INFO L226 Difference]: Without dead ends: 34469 [2024-11-08 17:51:05,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:51:05,030 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1330 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:51:05,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 975 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:51:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34469 states. [2024-11-08 17:51:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34469 to 34338. [2024-11-08 17:51:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34338 states, 28593 states have (on average 1.6194872870982409) internal successors, (46306), 28599 states have internal predecessors, (46306), 5718 states have call successors, (5718), 22 states have call predecessors, (5718), 26 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-11-08 17:51:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34338 states to 34338 states and 58355 transitions. [2024-11-08 17:51:07,431 INFO L78 Accepts]: Start accepts. Automaton has 34338 states and 58355 transitions. Word has length 128 [2024-11-08 17:51:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:51:07,431 INFO L471 AbstractCegarLoop]: Abstraction has 34338 states and 58355 transitions. [2024-11-08 17:51:07,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 34338 states and 58355 transitions. [2024-11-08 17:51:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:51:07,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:07,466 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] [2024-11-08 17:51:07,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:51:07,467 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:51:07,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:07,467 INFO L85 PathProgramCache]: Analyzing trace with hash -11063527, now seen corresponding path program 1 times [2024-11-08 17:51:07,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:07,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339502275] [2024-11-08 17:51:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:51:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:51:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:51:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:51:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:51:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:51:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:51:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:51:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:51:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:51:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:51:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:51:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:51:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:07,619 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 17:51:07,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:07,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339502275] [2024-11-08 17:51:07,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339502275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:07,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:07,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:51:07,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887896877] [2024-11-08 17:51:07,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:07,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:51:07,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:07,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:51:07,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:51:07,623 INFO L87 Difference]: Start difference. First operand 34338 states and 58355 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:51:11,753 INFO L93 Difference]: Finished difference Result 93803 states and 161601 transitions. [2024-11-08 17:51:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:51:11,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2024-11-08 17:51:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:51:12,126 INFO L225 Difference]: With dead ends: 93803 [2024-11-08 17:51:12,127 INFO L226 Difference]: Without dead ends: 63136 [2024-11-08 17:51:12,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:51:12,382 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1323 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:51:12,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 976 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 17:51:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63136 states. [2024-11-08 17:51:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63136 to 63005. [2024-11-08 17:51:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63005 states, 52747 states have (on average 1.6150871139590877) internal successors, (85191), 52753 states have internal predecessors, (85191), 10231 states have call successors, (10231), 22 states have call predecessors, (10231), 26 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-11-08 17:51:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63005 states to 63005 states and 106798 transitions. [2024-11-08 17:51:15,329 INFO L78 Accepts]: Start accepts. Automaton has 63005 states and 106798 transitions. Word has length 129 [2024-11-08 17:51:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:51:15,331 INFO L471 AbstractCegarLoop]: Abstraction has 63005 states and 106798 transitions. [2024-11-08 17:51:15,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 63005 states and 106798 transitions. [2024-11-08 17:51:15,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:51:15,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:15,362 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] [2024-11-08 17:51:15,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 17:51:15,363 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:51:15,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:15,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2025009484, now seen corresponding path program 1 times [2024-11-08 17:51:15,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:15,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017581782] [2024-11-08 17:51:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:15,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:51:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:51:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:51:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:51:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:51:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:51:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:51:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:51:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:51:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:51:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:51:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:51:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:51:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:15,528 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 17:51:15,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:15,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017581782] [2024-11-08 17:51:15,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017581782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:15,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:15,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:51:15,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406202183] [2024-11-08 17:51:15,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:15,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:51:15,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:15,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:51:15,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:51:15,532 INFO L87 Difference]: Start difference. First operand 63005 states and 106798 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:20,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:51:20,942 INFO L93 Difference]: Finished difference Result 118179 states and 203978 transitions. [2024-11-08 17:51:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:51:20,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-08 17:51:20,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:51:21,489 INFO L225 Difference]: With dead ends: 118179 [2024-11-08 17:51:21,489 INFO L226 Difference]: Without dead ends: 118009 [2024-11-08 17:51:21,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:51:21,537 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1320 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:51:21,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 1013 Invalid, 1785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:51:21,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118009 states. [2024-11-08 17:51:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118009 to 117878. [2024-11-08 17:51:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117878 states, 99252 states have (on average 1.6096300326441784) internal successors, (159759), 99258 states have internal predecessors, (159759), 18599 states have call successors, (18599), 22 states have call predecessors, (18599), 26 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-08 17:51:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117878 states to 117878 states and 199148 transitions. [2024-11-08 17:51:27,427 INFO L78 Accepts]: Start accepts. Automaton has 117878 states and 199148 transitions. Word has length 130 [2024-11-08 17:51:27,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:51:27,430 INFO L471 AbstractCegarLoop]: Abstraction has 117878 states and 199148 transitions. [2024-11-08 17:51:27,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 117878 states and 199148 transitions. [2024-11-08 17:51:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:51:27,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:27,527 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] [2024-11-08 17:51:27,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 17:51:27,528 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:51:27,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash 241578872, now seen corresponding path program 1 times [2024-11-08 17:51:27,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:27,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372449959] [2024-11-08 17:51:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:27,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:51:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:51:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:51:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:51:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:51:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:51:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:51:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:51:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:51:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:51:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:51:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:51:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:51:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:27,857 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 17:51:27,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372449959] [2024-11-08 17:51:27,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372449959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:27,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:27,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:51:27,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070319508] [2024-11-08 17:51:27,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:27,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:51:27,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:27,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:51:27,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:51:27,860 INFO L87 Difference]: Start difference. First operand 117878 states and 199148 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:51:34,783 INFO L93 Difference]: Finished difference Result 118440 states and 203306 transitions. [2024-11-08 17:51:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 17:51:34,784 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2024-11-08 17:51:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:51:35,395 INFO L225 Difference]: With dead ends: 118440 [2024-11-08 17:51:35,395 INFO L226 Difference]: Without dead ends: 118278 [2024-11-08 17:51:35,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:51:35,444 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1986 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 3809 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 4355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 3809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:51:35,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 1364 Invalid, 4355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 3809 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-08 17:51:35,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118278 states. [2024-11-08 17:51:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118278 to 118042. [2024-11-08 17:51:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118042 states, 99381 states have (on average 1.6094625733289059) internal successors, (159950), 99388 states have internal predecessors, (159950), 18620 states have call successors, (18620), 34 states have call predecessors, (18620), 40 states have return successors, (20814), 18619 states have call predecessors, (20814), 18618 states have call successors, (20814) [2024-11-08 17:51:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118042 states to 118042 states and 199384 transitions. [2024-11-08 17:51:41,926 INFO L78 Accepts]: Start accepts. Automaton has 118042 states and 199384 transitions. Word has length 131 [2024-11-08 17:51:41,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:51:41,926 INFO L471 AbstractCegarLoop]: Abstraction has 118042 states and 199384 transitions. [2024-11-08 17:51:41,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 17:51:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 118042 states and 199384 transitions. [2024-11-08 17:51:41,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:51:41,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:51:41,966 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] [2024-11-08 17:51:41,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 17:51:41,967 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:51:41,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:41,967 INFO L85 PathProgramCache]: Analyzing trace with hash -701481430, now seen corresponding path program 1 times [2024-11-08 17:51:41,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:41,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959242033] [2024-11-08 17:51:41,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:41,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:51:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:51:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:51:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:51:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:51:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:51:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:51:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:51:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:51:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:51:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:51:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:51:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:51:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:42,521 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 17:51:42,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:42,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959242033] [2024-11-08 17:51:42,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959242033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:42,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:42,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 17:51:42,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808544104] [2024-11-08 17:51:42,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:42,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 17:51:42,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:42,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 17:51:42,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:51:42,526 INFO L87 Difference]: Start difference. First operand 118042 states and 199384 transitions. Second operand has 17 states, 15 states have (on average 5.8) internal successors, (87), 11 states have internal predecessors, (87), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-08 17:51:52,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:51:52,331 INFO L93 Difference]: Finished difference Result 118968 states and 204149 transitions. [2024-11-08 17:51:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-08 17:51:52,332 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.8) internal successors, (87), 11 states have internal predecessors, (87), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 132 [2024-11-08 17:51:52,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:51:52,887 INFO L225 Difference]: With dead ends: 118968 [2024-11-08 17:51:52,887 INFO L226 Difference]: Without dead ends: 118618 [2024-11-08 17:51:52,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=441, Invalid=2529, Unknown=0, NotChecked=0, Total=2970 [2024-11-08 17:51:52,939 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1780 mSDsluCounter, 2535 mSDsCounter, 0 mSdLazyCounter, 6730 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 2747 SdHoareTripleChecker+Invalid, 7331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 6730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:51:52,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 2747 Invalid, 7331 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [601 Valid, 6730 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-08 17:51:53,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118618 states.