./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product32.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_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/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_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/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_6719ef82-0eea-48c4-b6f0-89eac0b06764/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 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:05:58,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:05:58,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:05:58,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:05:58,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:05:58,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:05:58,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:05:58,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:05:58,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:05:58,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:05:58,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:05:58,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:05:58,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:05:58,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:05:58,291 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:05:58,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:05:58,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:05:58,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:05:58,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:05:58,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:05:58,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:05:58,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:05:58,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:05:58,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:05:58,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:05:58,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:05:58,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:05:58,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:05:58,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:05:58,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:05:58,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:05:58,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:05:58,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:05:58,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:05:58,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:05:58,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:05:58,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:05:58,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:05:58,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:05:58,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:05:58,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:05:58,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:05:58,314 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_6719ef82-0eea-48c4-b6f0-89eac0b06764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b [2024-11-08 17:05:58,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:05:58,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:05:58,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:05:58,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:05:58,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:05:58,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c Unable to find full path for "g++" [2024-11-08 17:06:01,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:06:01,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:06:01,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2024-11-08 17:06:01,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/data/ee339346b/43cb3e23163440a1babebf1723b5c471/FLAG914ef5cb0 [2024-11-08 17:06:01,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/data/ee339346b/43cb3e23163440a1babebf1723b5c471 [2024-11-08 17:06:01,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:06:01,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:06:01,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:06:01,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:06:01,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:06:01,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:06:01" (1/1) ... [2024-11-08 17:06:01,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea72429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:01, skipping insertion in model container [2024-11-08 17:06:01,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:06:01" (1/1) ... [2024-11-08 17:06:01,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:06:02,438 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_6719ef82-0eea-48c4-b6f0-89eac0b06764/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2024-11-08 17:06:02,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:06:02,656 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:06:02,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-08 17:06:02,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] [2024-11-08 17:06:02,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] [2024-11-08 17:06:02,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] [2024-11-08 17:06:02,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] [2024-11-08 17:06:02,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2024-11-08 17:06:02,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] [2024-11-08 17:06:02,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] [2024-11-08 17:06:02,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] [2024-11-08 17:06:02,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] [2024-11-08 17:06:02,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] [2024-11-08 17:06:02,772 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_6719ef82-0eea-48c4-b6f0-89eac0b06764/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2024-11-08 17:06:02,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:06:02,904 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:06:02,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02 WrapperNode [2024-11-08 17:06:02,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:06:02,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:06:02,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:06:02,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:06:02,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:02,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,056 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 984 [2024-11-08 17:06:03,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:06:03,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:06:03,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:06:03,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:06:03,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,104 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 17:06:03,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:06:03,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:06:03,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:06:03,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:06:03,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (1/1) ... [2024-11-08 17:06:03,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:06:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:03,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:06:03,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:06:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-08 17:06:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-08 17:06:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 17:06:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 17:06:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 17:06:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 17:06:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 17:06:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 17:06:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 17:06:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 17:06:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 17:06:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 17:06:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 17:06:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 17:06:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 17:06:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 17:06:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 17:06:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 17:06:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 17:06:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 17:06:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 17:06:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 17:06:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-08 17:06:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-08 17:06:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 17:06:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 17:06:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 17:06:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 17:06:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 17:06:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 17:06:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:06:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-08 17:06:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-08 17:06:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-08 17:06:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-08 17:06:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 17:06:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 17:06:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 17:06:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 17:06:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 17:06:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 17:06:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 17:06:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 17:06:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-08 17:06:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-08 17:06:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 17:06:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 17:06:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 17:06:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 17:06:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 17:06:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 17:06:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 17:06:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 17:06:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:06:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:06:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:06:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:06:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 17:06:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 17:06:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 17:06:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 17:06:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:06:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:06:03,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:06:03,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:06:05,248 INFO L? ?]: Removed 537 outVars from TransFormulas that were not future-live. [2024-11-08 17:06:05,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:06:05,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:06:05,292 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:06:05,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:06:05 BoogieIcfgContainer [2024-11-08 17:06:05,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:06:05,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:06:05,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:06:05,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:06:05,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:06:01" (1/3) ... [2024-11-08 17:06:05,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5829f932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:06:05, skipping insertion in model container [2024-11-08 17:06:05,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:06:02" (2/3) ... [2024-11-08 17:06:05,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5829f932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:06:05, skipping insertion in model container [2024-11-08 17:06:05,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:06:05" (3/3) ... [2024-11-08 17:06:05,304 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2024-11-08 17:06:05,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:06:05,327 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:06:05,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:06:05,450 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;@79913976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:06:05,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:06:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 425 states, 330 states have (on average 1.5515151515151515) internal successors, (512), 335 states have internal predecessors, (512), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-08 17:06:05,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 17:06:05,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:05,492 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:05,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:05,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:05,503 INFO L85 PathProgramCache]: Analyzing trace with hash 968169744, now seen corresponding path program 1 times [2024-11-08 17:06:05,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:05,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966919271] [2024-11-08 17:06:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:05,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:06:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:06:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:06:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:06:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 17:06:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:06:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:06:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:06:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:06:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:06:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:06:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:06:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:06,740 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 17:06:06,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:06,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966919271] [2024-11-08 17:06:06,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966919271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:06,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51863327] [2024-11-08 17:06:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:06,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:06,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:06,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:06,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:06:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:07,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:06:07,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:07,338 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 17:06:07,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:06:07,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51863327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:07,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:07,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 17:06:07,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483773955] [2024-11-08 17:06:07,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:07,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:06:07,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:06:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:06:07,386 INFO L87 Difference]: Start difference. First operand has 425 states, 330 states have (on average 1.5515151515151515) internal successors, (512), 335 states have internal predecessors, (512), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:07,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:07,516 INFO L93 Difference]: Finished difference Result 657 states and 974 transitions. [2024-11-08 17:06:07,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:06:07,519 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2024-11-08 17:06:07,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:07,539 INFO L225 Difference]: With dead ends: 657 [2024-11-08 17:06:07,539 INFO L226 Difference]: Without dead ends: 418 [2024-11-08 17:06:07,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:06:07,551 INFO L432 NwaCegarLoop]: 638 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, 638 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 17:06:07,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:06:07,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-08 17:06:07,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2024-11-08 17:06:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 324 states have (on average 1.5462962962962963) internal successors, (501), 328 states have internal predecessors, (501), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 17:06:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 630 transitions. [2024-11-08 17:06:07,674 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 630 transitions. Word has length 116 [2024-11-08 17:06:07,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:07,676 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 630 transitions. [2024-11-08 17:06:07,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 630 transitions. [2024-11-08 17:06:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:06:07,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:07,685 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:07,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:06:07,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:07,890 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:07,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:07,891 INFO L85 PathProgramCache]: Analyzing trace with hash -686129592, now seen corresponding path program 1 times [2024-11-08 17:06:07,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:07,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721066958] [2024-11-08 17:06:07,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:07,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:06:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:06:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:06:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:06:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:06:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:06:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:06:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:06:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:06:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:06:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:06:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:06:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:06:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:06:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 17:06:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 17:06:08,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721066958] [2024-11-08 17:06:08,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721066958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:08,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281007796] [2024-11-08 17:06:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:08,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:08,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:08,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:06:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:06:09,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:06:09,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:06:09,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281007796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:09,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 17:06:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096071385] [2024-11-08 17:06:09,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:09,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:06:09,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:09,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:06:09,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:06:09,085 INFO L87 Difference]: Start difference. First operand 418 states and 630 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:06:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:09,167 INFO L93 Difference]: Finished difference Result 647 states and 952 transitions. [2024-11-08 17:06:09,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:06:09,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-11-08 17:06:09,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:09,177 INFO L225 Difference]: With dead ends: 647 [2024-11-08 17:06:09,177 INFO L226 Difference]: Without dead ends: 421 [2024-11-08 17:06:09,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 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 17:06:09,190 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 1 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1254 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 17:06:09,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:06:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-08 17:06:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 420. [2024-11-08 17:06:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 326 states have (on average 1.5429447852760736) internal successors, (503), 330 states have internal predecessors, (503), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 17:06:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 632 transitions. [2024-11-08 17:06:09,254 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 632 transitions. Word has length 136 [2024-11-08 17:06:09,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:09,257 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 632 transitions. [2024-11-08 17:06:09,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:06:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 632 transitions. [2024-11-08 17:06:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:06:09,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:09,263 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:09,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:06:09,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:09,464 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:09,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:09,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2105266533, now seen corresponding path program 1 times [2024-11-08 17:06:09,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:09,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493991923] [2024-11-08 17:06:09,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:09,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:06:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:06:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:06:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:06:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:06:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:06:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:06:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:06:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:06:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:06:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:06:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:06:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:09,936 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 17:06:09,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493991923] [2024-11-08 17:06:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493991923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421081328] [2024-11-08 17:06:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:09,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:09,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:09,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:09,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:06:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:06:10,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:10,355 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 17:06:10,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:06:10,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421081328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:10,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:10,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 17:06:10,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451342624] [2024-11-08 17:06:10,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:10,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:06:10,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:10,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:06:10,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:06:10,357 INFO L87 Difference]: Start difference. First operand 420 states and 632 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:10,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:10,422 INFO L93 Difference]: Finished difference Result 888 states and 1356 transitions. [2024-11-08 17:06:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:06:10,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2024-11-08 17:06:10,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:10,429 INFO L225 Difference]: With dead ends: 888 [2024-11-08 17:06:10,429 INFO L226 Difference]: Without dead ends: 495 [2024-11-08 17:06:10,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:06:10,432 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 134 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1214 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 17:06:10,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1214 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:06:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-08 17:06:10,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 487. [2024-11-08 17:06:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 379 states have (on average 1.562005277044855) internal successors, (592), 383 states have internal predecessors, (592), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-08 17:06:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 749 transitions. [2024-11-08 17:06:10,476 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 749 transitions. Word has length 126 [2024-11-08 17:06:10,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:10,477 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 749 transitions. [2024-11-08 17:06:10,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 749 transitions. [2024-11-08 17:06:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 17:06:10,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:10,483 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:10,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:06:10,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-08 17:06:10,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:10,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:10,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1747403728, now seen corresponding path program 1 times [2024-11-08 17:06:10,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:10,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441965090] [2024-11-08 17:06:10,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:10,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:06:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 17:06:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:10,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:06:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 17:06:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:06:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:06:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:06:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:06:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:06:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:06:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:06:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:06:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,071 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 17:06:11,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:11,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441965090] [2024-11-08 17:06:11,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441965090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:11,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163227816] [2024-11-08 17:06:11,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:11,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:11,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:11,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:06:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:11,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:06:11,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:11,689 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 17:06:11,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:06:11,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163227816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:11,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:11,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 17:06:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538547496] [2024-11-08 17:06:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:11,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:06:11,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:11,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:06:11,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:06:11,694 INFO L87 Difference]: Start difference. First operand 487 states and 749 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:06:11,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:11,815 INFO L93 Difference]: Finished difference Result 965 states and 1488 transitions. [2024-11-08 17:06:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:06:11,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 127 [2024-11-08 17:06:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:11,821 INFO L225 Difference]: With dead ends: 965 [2024-11-08 17:06:11,822 INFO L226 Difference]: Without dead ends: 489 [2024-11-08 17:06:11,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:06:11,826 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 2 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2477 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 17:06:11,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2477 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:06:11,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-08 17:06:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-08 17:06:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 380 states have (on average 1.5605263157894738) internal successors, (593), 385 states have internal predecessors, (593), 79 states have call successors, (79), 28 states have call predecessors, (79), 29 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2024-11-08 17:06:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 752 transitions. [2024-11-08 17:06:11,864 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 752 transitions. Word has length 127 [2024-11-08 17:06:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:11,865 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 752 transitions. [2024-11-08 17:06:11,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:06:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 752 transitions. [2024-11-08 17:06:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:06:11,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:11,871 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:11,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:06:12,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:12,075 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:12,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash -798156679, now seen corresponding path program 1 times [2024-11-08 17:06:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:12,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221657852] [2024-11-08 17:06:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:12,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:06:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:06:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:06:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:06:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:06:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:06:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:06:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:06:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:06:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:06:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:06:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:12,568 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 17:06:12,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:12,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221657852] [2024-11-08 17:06:12,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221657852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:12,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094061540] [2024-11-08 17:06:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:12,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:12,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:06:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:06:13,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:13,167 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 17:06:13,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:06:13,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094061540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:13,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:06:13,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 17:06:13,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789281980] [2024-11-08 17:06:13,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:13,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:06:13,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:06:13,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:06:13,172 INFO L87 Difference]: Start difference. First operand 489 states and 752 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:06:13,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:13,281 INFO L93 Difference]: Finished difference Result 967 states and 1493 transitions. [2024-11-08 17:06:13,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:06:13,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 128 [2024-11-08 17:06:13,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:13,287 INFO L225 Difference]: With dead ends: 967 [2024-11-08 17:06:13,288 INFO L226 Difference]: Without dead ends: 491 [2024-11-08 17:06:13,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:06:13,291 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 2 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2463 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 17:06:13,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2463 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:06:13,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-08 17:06:13,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2024-11-08 17:06:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 381 states have (on average 1.5590551181102361) internal successors, (594), 387 states have internal predecessors, (594), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-11-08 17:06:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 758 transitions. [2024-11-08 17:06:13,321 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 758 transitions. Word has length 128 [2024-11-08 17:06:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:13,322 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 758 transitions. [2024-11-08 17:06:13,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:06:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 758 transitions. [2024-11-08 17:06:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 17:06:13,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:13,327 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:13,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:06:13,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:13,532 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:13,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:13,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1358309837, now seen corresponding path program 1 times [2024-11-08 17:06:13,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:13,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523695196] [2024-11-08 17:06:13,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:06:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:06:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:06:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:06:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:06:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:06:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:06:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:06:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:06:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:06:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:06:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 17:06:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 17:06:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 17:06:13,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:13,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523695196] [2024-11-08 17:06:13,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523695196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:13,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:13,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:06:13,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728797515] [2024-11-08 17:06:13,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:13,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:06:13,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:13,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:06:13,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:06:13,906 INFO L87 Difference]: Start difference. First operand 491 states and 758 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 17:06:17,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:17,635 INFO L93 Difference]: Finished difference Result 1093 states and 1709 transitions. [2024-11-08 17:06:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:06:17,636 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-08 17:06:17,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:17,642 INFO L225 Difference]: With dead ends: 1093 [2024-11-08 17:06:17,642 INFO L226 Difference]: Without dead ends: 625 [2024-11-08 17:06:17,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 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 17:06:17,645 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1416 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 3225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:17,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 1339 Invalid, 3225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [456 Valid, 2769 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 17:06:17,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-08 17:06:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 491. [2024-11-08 17:06:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 381 states have (on average 1.5590551181102361) internal successors, (594), 387 states have internal predecessors, (594), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (84), 77 states have call predecessors, (84), 78 states have call successors, (84) [2024-11-08 17:06:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 757 transitions. [2024-11-08 17:06:17,716 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 757 transitions. Word has length 148 [2024-11-08 17:06:17,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:17,716 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 757 transitions. [2024-11-08 17:06:17,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 17:06:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 757 transitions. [2024-11-08 17:06:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:06:17,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:17,720 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:17,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:06:17,721 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:17,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash 384661535, now seen corresponding path program 1 times [2024-11-08 17:06:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:17,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401504232] [2024-11-08 17:06:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:17,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 17:06:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:06:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:06:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:06:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:06:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:06:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:06:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:06:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:06:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:06:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:18,124 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 17:06:18,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:18,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401504232] [2024-11-08 17:06:18,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401504232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:18,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:18,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:06:18,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204172546] [2024-11-08 17:06:18,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:18,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:06:18,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:18,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:06:18,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:06:18,128 INFO L87 Difference]: Start difference. First operand 491 states and 757 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:06:21,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:21,822 INFO L93 Difference]: Finished difference Result 1095 states and 1712 transitions. [2024-11-08 17:06:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:06:21,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2024-11-08 17:06:21,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:21,829 INFO L225 Difference]: With dead ends: 1095 [2024-11-08 17:06:21,830 INFO L226 Difference]: Without dead ends: 627 [2024-11-08 17:06:21,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:06:21,835 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1417 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 3214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:21,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 1337 Invalid, 3214 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 17:06:21,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-08 17:06:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 493. [2024-11-08 17:06:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 382 states have (on average 1.557591623036649) internal successors, (595), 389 states have internal predecessors, (595), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (86), 77 states have call predecessors, (86), 78 states have call successors, (86) [2024-11-08 17:06:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 760 transitions. [2024-11-08 17:06:21,906 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 760 transitions. Word has length 130 [2024-11-08 17:06:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:21,906 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 760 transitions. [2024-11-08 17:06:21,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 17:06:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 760 transitions. [2024-11-08 17:06:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 17:06:21,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:21,912 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:21,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:06:21,913 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:21,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:21,914 INFO L85 PathProgramCache]: Analyzing trace with hash 486960008, now seen corresponding path program 1 times [2024-11-08 17:06:21,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156339845] [2024-11-08 17:06:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:06:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:06:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:06:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:06:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:06:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:06:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:06:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:06:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:06:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:06:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 17:06:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 17:06:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:06:22,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:22,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156339845] [2024-11-08 17:06:22,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156339845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:22,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:22,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:06:22,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102700645] [2024-11-08 17:06:22,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:22,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:06:22,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:22,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:06:22,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:06:22,370 INFO L87 Difference]: Start difference. First operand 493 states and 760 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 17:06:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:27,114 INFO L93 Difference]: Finished difference Result 1093 states and 1707 transitions. [2024-11-08 17:06:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:06:27,115 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 150 [2024-11-08 17:06:27,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:27,121 INFO L225 Difference]: With dead ends: 1093 [2024-11-08 17:06:27,121 INFO L226 Difference]: Without dead ends: 627 [2024-11-08 17:06:27,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:06:27,125 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1421 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 5081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:27,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 1854 Invalid, 5081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [466 Valid, 4615 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 17:06:27,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-08 17:06:27,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 493. [2024-11-08 17:06:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 382 states have (on average 1.557591623036649) internal successors, (595), 389 states have internal predecessors, (595), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-11-08 17:06:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 759 transitions. [2024-11-08 17:06:27,191 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 759 transitions. Word has length 150 [2024-11-08 17:06:27,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:27,191 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 759 transitions. [2024-11-08 17:06:27,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 17:06:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 759 transitions. [2024-11-08 17:06:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:06:27,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:27,195 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:27,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:06:27,196 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:27,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash 365302206, now seen corresponding path program 1 times [2024-11-08 17:06:27,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970813995] [2024-11-08 17:06:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:06:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:06:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:06:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:06:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:06:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:06:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:06:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:06:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:06:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 17:06:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:27,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970813995] [2024-11-08 17:06:27,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970813995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:27,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:27,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:06:27,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528212479] [2024-11-08 17:06:27,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:27,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:06:27,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:27,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:06:27,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:06:27,653 INFO L87 Difference]: Start difference. First operand 493 states and 759 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 17:06:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:31,978 INFO L93 Difference]: Finished difference Result 1095 states and 1713 transitions. [2024-11-08 17:06:31,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:06:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 132 [2024-11-08 17:06:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:31,984 INFO L225 Difference]: With dead ends: 1095 [2024-11-08 17:06:31,985 INFO L226 Difference]: Without dead ends: 629 [2024-11-08 17:06:31,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 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 17:06:31,988 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1413 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4724 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 5171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 4724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:31,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1856 Invalid, 5171 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [447 Valid, 4724 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-08 17:06:31,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-08 17:06:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 495. [2024-11-08 17:06:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 383 states have (on average 1.556135770234987) internal successors, (596), 391 states have internal predecessors, (596), 79 states have call successors, (79), 28 states have call predecessors, (79), 32 states have return successors, (90), 77 states have call predecessors, (90), 78 states have call successors, (90) [2024-11-08 17:06:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 765 transitions. [2024-11-08 17:06:32,048 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 765 transitions. Word has length 132 [2024-11-08 17:06:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:32,049 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 765 transitions. [2024-11-08 17:06:32,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 17:06:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 765 transitions. [2024-11-08 17:06:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 17:06:32,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:32,053 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:32,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:06:32,054 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:32,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:32,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1340619197, now seen corresponding path program 1 times [2024-11-08 17:06:32,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:32,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263168906] [2024-11-08 17:06:32,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:32,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:06:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:06:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:06:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:06:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:06:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:06:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:06:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:06:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:06:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:06:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:06:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:06:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 17:06:32,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263168906] [2024-11-08 17:06:32,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263168906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172362167] [2024-11-08 17:06:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:32,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:32,475 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:32,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:06:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:32,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:06:32,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 17:06:32,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 17:06:33,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172362167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:06:33,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:06:33,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 17:06:33,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623041487] [2024-11-08 17:06:33,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:06:33,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:06:33,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:33,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:06:33,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:06:33,164 INFO L87 Difference]: Start difference. First operand 495 states and 765 transitions. Second operand has 15 states, 14 states have (on average 11.142857142857142) internal successors, (156), 11 states have internal predecessors, (156), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-08 17:06:38,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:38,361 INFO L93 Difference]: Finished difference Result 1535 states and 2510 transitions. [2024-11-08 17:06:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:06:38,362 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.142857142857142) internal successors, (156), 11 states have internal predecessors, (156), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 152 [2024-11-08 17:06:38,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:38,369 INFO L225 Difference]: With dead ends: 1535 [2024-11-08 17:06:38,369 INFO L226 Difference]: Without dead ends: 1071 [2024-11-08 17:06:38,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 17:06:38,372 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 2633 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 5824 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2653 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 6645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 5824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:38,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2653 Valid, 2208 Invalid, 6645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [821 Valid, 5824 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-08 17:06:38,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-11-08 17:06:38,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 913. [2024-11-08 17:06:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 722 states have (on average 1.6094182825484764) internal successors, (1162), 730 states have internal predecessors, (1162), 158 states have call successors, (158), 28 states have call predecessors, (158), 32 states have return successors, (179), 156 states have call predecessors, (179), 157 states have call successors, (179) [2024-11-08 17:06:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1499 transitions. [2024-11-08 17:06:38,448 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1499 transitions. Word has length 152 [2024-11-08 17:06:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:38,448 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1499 transitions. [2024-11-08 17:06:38,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.142857142857142) internal successors, (156), 11 states have internal predecessors, (156), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-08 17:06:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1499 transitions. [2024-11-08 17:06:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:06:38,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:38,454 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:38,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 17:06:38,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6719ef82-0eea-48c4-b6f0-89eac0b06764/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:38,655 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:38,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -504444048, now seen corresponding path program 1 times [2024-11-08 17:06:38,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:38,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541192287] [2024-11-08 17:06:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:38,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:06:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:06:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:06:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:06:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:06:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:06:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:06:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:06:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 17:06:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:38,819 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 17:06:38,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:38,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541192287] [2024-11-08 17:06:38,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541192287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:38,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:38,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:38,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151790824] [2024-11-08 17:06:38,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:38,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:38,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:38,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:38,822 INFO L87 Difference]: Start difference. First operand 913 states and 1499 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:41,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:41,334 INFO L93 Difference]: Finished difference Result 2280 states and 3839 transitions. [2024-11-08 17:06:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:06:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-11-08 17:06:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:41,350 INFO L225 Difference]: With dead ends: 2280 [2024-11-08 17:06:41,350 INFO L226 Difference]: Without dead ends: 1445 [2024-11-08 17:06:41,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 17:06:41,355 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1541 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:41,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 1014 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:06:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-11-08 17:06:41,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1303. [2024-11-08 17:06:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1033 states have (on average 1.628267182962246) internal successors, (1682), 1041 states have internal predecessors, (1682), 237 states have call successors, (237), 28 states have call predecessors, (237), 32 states have return successors, (268), 235 states have call predecessors, (268), 236 states have call successors, (268) [2024-11-08 17:06:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 2187 transitions. [2024-11-08 17:06:41,471 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 2187 transitions. Word has length 136 [2024-11-08 17:06:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:41,471 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 2187 transitions. [2024-11-08 17:06:41,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2187 transitions. [2024-11-08 17:06:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:06:41,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:41,481 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:41,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:06:41,481 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:41,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:41,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1108086374, now seen corresponding path program 1 times [2024-11-08 17:06:41,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:41,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069823769] [2024-11-08 17:06:41,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:41,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 17:06:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:06:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:06:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:06:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:06:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:06:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 17:06:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 17:06:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:06:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:41,717 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 17:06:41,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:41,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069823769] [2024-11-08 17:06:41,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069823769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:41,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:41,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:41,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966897581] [2024-11-08 17:06:41,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:41,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:41,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:41,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:41,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:41,720 INFO L87 Difference]: Start difference. First operand 1303 states and 2187 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:44,255 INFO L93 Difference]: Finished difference Result 3254 states and 5548 transitions. [2024-11-08 17:06:44,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:06:44,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-08 17:06:44,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:44,273 INFO L225 Difference]: With dead ends: 3254 [2024-11-08 17:06:44,273 INFO L226 Difference]: Without dead ends: 2082 [2024-11-08 17:06:44,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 17:06:44,280 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1542 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:44,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 1018 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:06:44,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2024-11-08 17:06:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1940. [2024-11-08 17:06:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1940 states, 1551 states have (on average 1.6376531270148291) internal successors, (2540), 1559 states have internal predecessors, (2540), 356 states have call successors, (356), 28 states have call predecessors, (356), 32 states have return successors, (387), 354 states have call predecessors, (387), 355 states have call successors, (387) [2024-11-08 17:06:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 3283 transitions. [2024-11-08 17:06:44,483 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 3283 transitions. Word has length 137 [2024-11-08 17:06:44,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:44,484 INFO L471 AbstractCegarLoop]: Abstraction has 1940 states and 3283 transitions. [2024-11-08 17:06:44,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 3283 transitions. [2024-11-08 17:06:44,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 17:06:44,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:44,496 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:44,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:06:44,497 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:44,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:44,497 INFO L85 PathProgramCache]: Analyzing trace with hash -594485214, now seen corresponding path program 1 times [2024-11-08 17:06:44,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:44,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050188461] [2024-11-08 17:06:44,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:06:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:06:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:06:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:06:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:06:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:06:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:06:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:06:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 17:06:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:44,673 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 17:06:44,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:44,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050188461] [2024-11-08 17:06:44,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050188461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:44,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:44,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33650184] [2024-11-08 17:06:44,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:44,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:44,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:44,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:44,679 INFO L87 Difference]: Start difference. First operand 1940 states and 3283 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:47,193 INFO L93 Difference]: Finished difference Result 4734 states and 8159 transitions. [2024-11-08 17:06:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:06:47,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2024-11-08 17:06:47,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:47,217 INFO L225 Difference]: With dead ends: 4734 [2024-11-08 17:06:47,217 INFO L226 Difference]: Without dead ends: 3060 [2024-11-08 17:06:47,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 17:06:47,226 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1537 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:47,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 976 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 17:06:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2024-11-08 17:06:47,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 2918. [2024-11-08 17:06:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2367 states have (on average 1.6451204055766793) internal successors, (3894), 2375 states have internal predecessors, (3894), 518 states have call successors, (518), 28 states have call predecessors, (518), 32 states have return successors, (565), 516 states have call predecessors, (565), 517 states have call successors, (565) [2024-11-08 17:06:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4977 transitions. [2024-11-08 17:06:47,432 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4977 transitions. Word has length 138 [2024-11-08 17:06:47,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:47,432 INFO L471 AbstractCegarLoop]: Abstraction has 2918 states and 4977 transitions. [2024-11-08 17:06:47,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4977 transitions. [2024-11-08 17:06:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 17:06:47,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:47,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:47,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:06:47,451 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:47,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:47,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1108685472, now seen corresponding path program 1 times [2024-11-08 17:06:47,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:47,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604361353] [2024-11-08 17:06:47,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:47,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:06:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:06:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:06:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:06:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:06:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:06:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:06:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:06:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:06:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 17:06:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 17:06:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:06:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 17:06:47,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:47,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604361353] [2024-11-08 17:06:47,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604361353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:47,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:47,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:47,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832494960] [2024-11-08 17:06:47,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:47,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:47,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:47,671 INFO L87 Difference]: Start difference. First operand 2918 states and 4977 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:06:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:50,076 INFO L93 Difference]: Finished difference Result 7073 states and 12294 transitions. [2024-11-08 17:06:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:06:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-11-08 17:06:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:50,108 INFO L225 Difference]: With dead ends: 7073 [2024-11-08 17:06:50,109 INFO L226 Difference]: Without dead ends: 4640 [2024-11-08 17:06:50,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 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 17:06:50,119 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1537 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 2072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:50,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 978 Invalid, 2072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 17:06:50,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2024-11-08 17:06:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4498. [2024-11-08 17:06:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4498 states, 3702 states have (on average 1.650459211237169) internal successors, (6110), 3710 states have internal predecessors, (6110), 763 states have call successors, (763), 28 states have call predecessors, (763), 32 states have return successors, (836), 761 states have call predecessors, (836), 762 states have call successors, (836) [2024-11-08 17:06:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4498 states to 4498 states and 7709 transitions. [2024-11-08 17:06:50,429 INFO L78 Accepts]: Start accepts. Automaton has 4498 states and 7709 transitions. Word has length 158 [2024-11-08 17:06:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:50,430 INFO L471 AbstractCegarLoop]: Abstraction has 4498 states and 7709 transitions. [2024-11-08 17:06:50,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:06:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4498 states and 7709 transitions. [2024-11-08 17:06:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 17:06:50,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:50,454 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:50,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:06:50,455 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:50,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:50,455 INFO L85 PathProgramCache]: Analyzing trace with hash 275264127, now seen corresponding path program 1 times [2024-11-08 17:06:50,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:50,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852768593] [2024-11-08 17:06:50,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:06:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:06:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:06:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:06:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:06:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:06:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:06:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:06:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:06:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:06:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:06:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 17:06:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 17:06:50,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852768593] [2024-11-08 17:06:50,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852768593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:50,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:50,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:50,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415307823] [2024-11-08 17:06:50,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:50,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:50,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:50,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:50,658 INFO L87 Difference]: Start difference. First operand 4498 states and 7709 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:06:53,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:53,194 INFO L93 Difference]: Finished difference Result 11244 states and 19623 transitions. [2024-11-08 17:06:53,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:06:53,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-11-08 17:06:53,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:53,256 INFO L225 Difference]: With dead ends: 11244 [2024-11-08 17:06:53,256 INFO L226 Difference]: Without dead ends: 7483 [2024-11-08 17:06:53,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 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 17:06:53,274 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1538 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:53,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 998 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 17:06:53,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7483 states. [2024-11-08 17:06:53,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7483 to 7341. [2024-11-08 17:06:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7341 states, 6052 states have (on average 1.647224058162591) internal successors, (9969), 6060 states have internal predecessors, (9969), 1256 states have call successors, (1256), 28 states have call predecessors, (1256), 32 states have return successors, (1373), 1254 states have call predecessors, (1373), 1255 states have call successors, (1373) [2024-11-08 17:06:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7341 states to 7341 states and 12598 transitions. [2024-11-08 17:06:53,842 INFO L78 Accepts]: Start accepts. Automaton has 7341 states and 12598 transitions. Word has length 159 [2024-11-08 17:06:53,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:53,843 INFO L471 AbstractCegarLoop]: Abstraction has 7341 states and 12598 transitions. [2024-11-08 17:06:53,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:06:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 7341 states and 12598 transitions. [2024-11-08 17:06:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:06:53,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:53,888 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:53,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:06:53,889 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:53,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:53,890 INFO L85 PathProgramCache]: Analyzing trace with hash 219411169, now seen corresponding path program 1 times [2024-11-08 17:06:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:53,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789871413] [2024-11-08 17:06:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:53,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:53,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:53,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:06:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:06:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:06:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:06:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:06:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:06:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:06:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:06:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 17:06:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:54,054 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 17:06:54,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:54,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789871413] [2024-11-08 17:06:54,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789871413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:54,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:54,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:54,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929605989] [2024-11-08 17:06:54,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:54,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:54,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:54,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:54,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:54,058 INFO L87 Difference]: Start difference. First operand 7341 states and 12598 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:56,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:56,933 INFO L93 Difference]: Finished difference Result 18664 states and 32587 transitions. [2024-11-08 17:06:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:06:56,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-11-08 17:06:56,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:56,999 INFO L225 Difference]: With dead ends: 18664 [2024-11-08 17:06:57,000 INFO L226 Difference]: Without dead ends: 12462 [2024-11-08 17:06:57,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 17:06:57,027 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1535 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:57,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 982 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:06:57,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12462 states. [2024-11-08 17:06:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12462 to 12320. [2024-11-08 17:06:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12320 states, 10209 states have (on average 1.6475658732490939) internal successors, (16820), 10217 states have internal predecessors, (16820), 2078 states have call successors, (2078), 28 states have call predecessors, (2078), 32 states have return successors, (2273), 2076 states have call predecessors, (2273), 2077 states have call successors, (2273) [2024-11-08 17:06:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12320 states to 12320 states and 21171 transitions. [2024-11-08 17:06:57,900 INFO L78 Accepts]: Start accepts. Automaton has 12320 states and 21171 transitions. Word has length 141 [2024-11-08 17:06:57,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:57,903 INFO L471 AbstractCegarLoop]: Abstraction has 12320 states and 21171 transitions. [2024-11-08 17:06:57,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:06:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12320 states and 21171 transitions. [2024-11-08 17:06:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 17:06:57,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:57,984 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:57,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:06:57,985 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:57,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:57,985 INFO L85 PathProgramCache]: Analyzing trace with hash 817543204, now seen corresponding path program 1 times [2024-11-08 17:06:57,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:57,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407293248] [2024-11-08 17:06:57,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:57,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:06:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:06:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:06:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:06:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:06:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:06:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:06:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:06:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:06:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:06:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:06:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 17:06:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:58,178 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 17:06:58,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:58,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407293248] [2024-11-08 17:06:58,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407293248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:06:58,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:06:58,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:06:58,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699801383] [2024-11-08 17:06:58,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:58,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:06:58,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:58,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:06:58,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:06:58,182 INFO L87 Difference]: Start difference. First operand 12320 states and 21171 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:07:01,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:01,028 INFO L93 Difference]: Finished difference Result 29622 states and 51447 transitions. [2024-11-08 17:07:01,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:07:01,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-08 17:07:01,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:01,133 INFO L225 Difference]: With dead ends: 29622 [2024-11-08 17:07:01,133 INFO L226 Difference]: Without dead ends: 19415 [2024-11-08 17:07:01,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 17:07:01,178 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1531 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:01,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 957 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 17:07:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2024-11-08 17:07:02,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 19273. [2024-11-08 17:07:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19273 states, 15959 states have (on average 1.6222820978758068) internal successors, (25890), 15967 states have internal predecessors, (25890), 3281 states have call successors, (3281), 28 states have call predecessors, (3281), 32 states have return successors, (3620), 3279 states have call predecessors, (3620), 3280 states have call successors, (3620) [2024-11-08 17:07:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19273 states to 19273 states and 32791 transitions. [2024-11-08 17:07:02,570 INFO L78 Accepts]: Start accepts. Automaton has 19273 states and 32791 transitions. Word has length 142 [2024-11-08 17:07:02,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:02,571 INFO L471 AbstractCegarLoop]: Abstraction has 19273 states and 32791 transitions. [2024-11-08 17:07:02,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:07:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 19273 states and 32791 transitions. [2024-11-08 17:07:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 17:07:02,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:02,610 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:02,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:07:02,611 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:07:02,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1410049189, now seen corresponding path program 1 times [2024-11-08 17:07:02,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:02,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496644610] [2024-11-08 17:07:02,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:02,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:07:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:07:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:07:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:07:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:07:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:07:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:07:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:07:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 17:07:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:07:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:07:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:07:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:07:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:07:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 17:07:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:07:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 17:07:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 17:07:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 17:07:02,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:02,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496644610] [2024-11-08 17:07:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496644610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:07:02,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:07:02,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:07:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661909848] [2024-11-08 17:07:02,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:07:02,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:07:02,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:02,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:07:02,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:07:02,781 INFO L87 Difference]: Start difference. First operand 19273 states and 32791 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:07:06,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:06,220 INFO L93 Difference]: Finished difference Result 51054 states and 88365 transitions. [2024-11-08 17:07:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:07:06,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-08 17:07:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:06,402 INFO L225 Difference]: With dead ends: 51054 [2024-11-08 17:07:06,402 INFO L226 Difference]: Without dead ends: 34536 [2024-11-08 17:07:06,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 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 17:07:06,462 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1532 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:06,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 978 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 17:07:06,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34536 states. [2024-11-08 17:07:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34536 to 34394. [2024-11-08 17:07:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34394 states, 28630 states have (on average 1.61914076143905) internal successors, (46356), 28638 states have internal predecessors, (46356), 5731 states have call successors, (5731), 28 states have call predecessors, (5731), 32 states have return successors, (6344), 5729 states have call predecessors, (6344), 5730 states have call successors, (6344) [2024-11-08 17:07:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34394 states to 34394 states and 58431 transitions. [2024-11-08 17:07:08,343 INFO L78 Accepts]: Start accepts. Automaton has 34394 states and 58431 transitions. Word has length 162 [2024-11-08 17:07:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:08,347 INFO L471 AbstractCegarLoop]: Abstraction has 34394 states and 58431 transitions. [2024-11-08 17:07:08,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:07:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 34394 states and 58431 transitions. [2024-11-08 17:07:08,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 17:07:08,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:08,420 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:08,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:07:08,421 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:07:08,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash 417614154, now seen corresponding path program 1 times [2024-11-08 17:07:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433068256] [2024-11-08 17:07:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:07:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:07:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:07:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:07:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:07:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:07:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:07:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:07:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:07:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:07:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:07:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:07:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:07:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:07:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 17:07:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,634 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 17:07:08,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:08,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433068256] [2024-11-08 17:07:08,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433068256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:07:08,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:07:08,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:07:08,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872977853] [2024-11-08 17:07:08,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:07:08,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:07:08,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:08,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:07:08,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:07:08,639 INFO L87 Difference]: Start difference. First operand 34394 states and 58431 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:07:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:13,465 INFO L93 Difference]: Finished difference Result 93926 states and 161764 transitions. [2024-11-08 17:07:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:07:13,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2024-11-08 17:07:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:13,971 INFO L225 Difference]: With dead ends: 93926 [2024-11-08 17:07:13,971 INFO L226 Difference]: Without dead ends: 63203 [2024-11-08 17:07:14,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 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 17:07:14,096 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1526 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:14,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 983 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:07:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63203 states. [2024-11-08 17:07:17,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63203 to 63061. [2024-11-08 17:07:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63061 states, 52784 states have (on average 1.6149022431039708) internal successors, (85241), 52792 states have internal predecessors, (85241), 10244 states have call successors, (10244), 28 states have call predecessors, (10244), 32 states have return successors, (11389), 10242 states have call predecessors, (11389), 10243 states have call successors, (11389) [2024-11-08 17:07:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63061 states to 63061 states and 106874 transitions. [2024-11-08 17:07:18,200 INFO L78 Accepts]: Start accepts. Automaton has 63061 states and 106874 transitions. Word has length 144 [2024-11-08 17:07:18,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:18,201 INFO L471 AbstractCegarLoop]: Abstraction has 63061 states and 106874 transitions. [2024-11-08 17:07:18,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:07:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 63061 states and 106874 transitions. [2024-11-08 17:07:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 17:07:18,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:18,275 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:18,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 17:07:18,275 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:07:18,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1924045253, now seen corresponding path program 1 times [2024-11-08 17:07:18,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:18,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476891039] [2024-11-08 17:07:18,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:18,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:07:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:07:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:07:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:07:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:07:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:07:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:07:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:07:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 17:07:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:07:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:07:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:07:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:07:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:07:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:07:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 17:07:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 17:07:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 17:07:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 17:07:18,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:18,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476891039] [2024-11-08 17:07:18,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476891039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:07:18,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:07:18,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:07:18,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234704943] [2024-11-08 17:07:18,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:07:18,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:07:18,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:18,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:07:18,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:07:18,467 INFO L87 Difference]: Start difference. First operand 63061 states and 106874 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:07:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:24,591 INFO L93 Difference]: Finished difference Result 118302 states and 204141 transitions. [2024-11-08 17:07:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:07:24,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-08 17:07:24,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:25,164 INFO L225 Difference]: With dead ends: 118302 [2024-11-08 17:07:25,164 INFO L226 Difference]: Without dead ends: 118076 [2024-11-08 17:07:25,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 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 17:07:25,220 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1525 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:25,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 984 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 17:07:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118076 states. [2024-11-08 17:07:30,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118076 to 117934. [2024-11-08 17:07:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117934 states, 99289 states have (on average 1.6095337852128635) internal successors, (159809), 99297 states have internal predecessors, (159809), 18612 states have call successors, (18612), 28 states have call predecessors, (18612), 32 states have return successors, (20803), 18610 states have call predecessors, (20803), 18611 states have call successors, (20803) [2024-11-08 17:07:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117934 states to 117934 states and 199224 transitions. [2024-11-08 17:07:31,267 INFO L78 Accepts]: Start accepts. Automaton has 117934 states and 199224 transitions. Word has length 164 [2024-11-08 17:07:31,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:07:31,267 INFO L471 AbstractCegarLoop]: Abstraction has 117934 states and 199224 transitions. [2024-11-08 17:07:31,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 17:07:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 117934 states and 199224 transitions. [2024-11-08 17:07:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 17:07:31,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:07:31,364 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:07:31,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 17:07:31,365 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:07:31,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:07:31,365 INFO L85 PathProgramCache]: Analyzing trace with hash 874986795, now seen corresponding path program 1 times [2024-11-08 17:07:31,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:07:31,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664864552] [2024-11-08 17:07:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:31,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:07:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:07:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:31,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:07:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:07:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:07:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:07:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:07:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:07:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:07:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:07:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:07:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:07:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:07:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:07:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 17:07:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:32,224 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 17:07:32,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:32,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664864552] [2024-11-08 17:07:32,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664864552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:07:32,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:07:32,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 17:07:32,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239008122] [2024-11-08 17:07:32,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:07:32,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 17:07:32,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:32,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 17:07:32,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:07:32,229 INFO L87 Difference]: Start difference. First operand 117934 states and 199224 transitions. Second operand has 18 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-08 17:07:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:07:50,127 INFO L93 Difference]: Finished difference Result 235631 states and 409995 transitions. [2024-11-08 17:07:50,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-08 17:07:50,127 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 146 [2024-11-08 17:07:50,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:07:51,746 INFO L225 Difference]: With dead ends: 235631 [2024-11-08 17:07:51,746 INFO L226 Difference]: Without dead ends: 235411 [2024-11-08 17:07:51,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1373 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=900, Invalid=4070, Unknown=0, NotChecked=0, Total=4970 [2024-11-08 17:07:51,856 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 5560 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 10015 mSolverCounterSat, 1941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5560 SdHoareTripleChecker+Valid, 3440 SdHoareTripleChecker+Invalid, 11956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1941 IncrementalHoareTripleChecker+Valid, 10015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:07:51,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5560 Valid, 3440 Invalid, 11956 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1941 Valid, 10015 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-08 17:07:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235411 states. [2024-11-08 17:08:01,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235411 to 234904. [2024-11-08 17:08:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234904 states, 197811 states have (on average 1.6100267426988388) internal successors, (318481), 197721 states have internal predecessors, (318481), 37006 states have call successors, (37006), 75 states have call predecessors, (37006), 86 states have return successors, (44687), 37115 states have call predecessors, (44687), 37003 states have call successors, (44687) [2024-11-08 17:08:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234904 states to 234904 states and 400174 transitions. [2024-11-08 17:08:03,168 INFO L78 Accepts]: Start accepts. Automaton has 234904 states and 400174 transitions. Word has length 146 [2024-11-08 17:08:03,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:08:03,169 INFO L471 AbstractCegarLoop]: Abstraction has 234904 states and 400174 transitions. [2024-11-08 17:08:03,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-08 17:08:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 234904 states and 400174 transitions. [2024-11-08 17:08:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:08:03,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:08:03,277 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:03,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 17:08:03,277 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:08:03,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash 981173083, now seen corresponding path program 1 times [2024-11-08 17:08:03,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:03,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380163726] [2024-11-08 17:08:03,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:03,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:08:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:08:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:08:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:08:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:08:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 17:08:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:08:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:08:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 17:08:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:08:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:08:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:08:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:08:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:08:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 17:08:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:03,672 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 17:08:03,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:03,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380163726] [2024-11-08 17:08:03,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380163726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:08:03,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:08:03,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 17:08:03,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082592942] [2024-11-08 17:08:03,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:08:03,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 17:08:03,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:08:03,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 17:08:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:08:03,677 INFO L87 Difference]: Start difference. First operand 234904 states and 400174 transitions. Second operand has 16 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 6 states have call successors, (18), 8 states have call predecessors, (18), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15)