./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:01:17,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:01:17,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:01:17,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:01:17,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:01:17,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:01:17,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:01:17,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:01:17,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:01:17,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:01:17,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:01:17,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:01:17,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:01:17,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:01:17,602 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:01:17,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:01:17,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:01:17,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:01:17,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:01:17,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:01:17,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:01:17,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:01:17,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:01:17,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:01:17,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:01:17,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:01:17,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:01:17,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:01:17,609 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:01:17,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:01:17,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:01:17,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:01:17,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:01:17,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:01:17,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:01:17,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:01:17,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:01:17,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:01:17,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:01:17,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:01:17,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:01:17,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:01:17,612 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 [2024-11-09 23:01:17,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:01:17,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:01:17,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:01:17,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:01:17,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:01:17,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2024-11-09 23:01:19,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:01:19,413 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:01:19,414 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2024-11-09 23:01:19,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e742705/8725daf09f784735800b17e7ae4bfd93/FLAGb9606a14c [2024-11-09 23:01:19,450 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e742705/8725daf09f784735800b17e7ae4bfd93 [2024-11-09 23:01:19,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:01:19,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:01:19,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:01:19,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:01:19,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:01:19,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:01:19" (1/1) ... [2024-11-09 23:01:19,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e12926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:19, skipping insertion in model container [2024-11-09 23:01:19,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:01:19" (1/1) ... [2024-11-09 23:01:19,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:01:19,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c[8480,8493] [2024-11-09 23:01:19,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:01:19,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:01:19,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [48] [2024-11-09 23:01:19,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [81] [2024-11-09 23:01:19,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [119] [2024-11-09 23:01:19,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [411] [2024-11-09 23:01:19,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [428] [2024-11-09 23:01:19,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [437] [2024-11-09 23:01:19,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] [2024-11-09 23:01:19,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [867] [2024-11-09 23:01:19,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1100] [2024-11-09 23:01:19,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] [2024-11-09 23:01:19,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2580] [2024-11-09 23:01:19,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c[8480,8493] [2024-11-09 23:01:20,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:01:20,068 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:01:20,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20 WrapperNode [2024-11-09 23:01:20,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:01:20,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:01:20,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:01:20,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:01:20,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,143 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 910 [2024-11-09 23:01:20,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:01:20,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:01:20,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:01:20,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:01:20,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,195 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]. [2024-11-09 23:01:20,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:01:20,215 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:01:20,215 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:01:20,215 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:01:20,216 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (1/1) ... [2024-11-09 23:01:20,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:01:20,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:20,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:01:20,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:01:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 23:01:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 23:01:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 23:01:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 23:01:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 23:01:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 23:01:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:01:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:01:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 23:01:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 23:01:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 23:01:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 23:01:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 23:01:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 23:01:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 23:01:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 23:01:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 23:01:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 23:01:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 23:01:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 23:01:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 23:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 23:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 23:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 23:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 23:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 23:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 23:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 23:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 23:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 23:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 23:01:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 23:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 23:01:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 23:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 23:01:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 23:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 23:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 23:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 23:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 23:01:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 23:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 23:01:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 23:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:01:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:01:20,499 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:01:20,501 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:01:20,598 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1762-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~24#1; [2024-11-09 23:01:20,598 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1807: #res#1 := ~retValue_acc~25#1; [2024-11-09 23:01:20,609 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-1: createEmail_#res#1 := createEmail_~retValue_acc~10#1; [2024-11-09 23:01:20,618 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1259: #res := ~retValue_acc~17; [2024-11-09 23:01:20,659 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2298: #res := ~retValue_acc~34; [2024-11-09 23:01:20,702 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1585: #res := ~retValue_acc~21; [2024-11-09 23:01:20,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224-1: getEmailId_#res#1 := getEmailId_~retValue_acc~32#1; [2024-11-09 23:01:20,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2150-1: getClientId_#res#1 := getClientId_~retValue_acc~30#1; [2024-11-09 23:01:20,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~22#1; [2024-11-09 23:01:20,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2103-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~29#1; [2024-11-09 23:01:21,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L316-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~3#1; [2024-11-09 23:01:21,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~5#1; [2024-11-09 23:01:21,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1870-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~26#1; [2024-11-09 23:01:21,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~4#1; [2024-11-09 23:01:21,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1977-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~27#1; [2024-11-09 23:01:21,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-09 23:01:21,009 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2261: #res := ~retValue_acc~33; [2024-11-09 23:01:21,012 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L474: #res := ~retValue_acc~8; [2024-11-09 23:01:21,144 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-11-09 23:01:21,144 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:01:21,161 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:01:21,161 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:01:21,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:01:21 BoogieIcfgContainer [2024-11-09 23:01:21,162 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:01:21,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:01:21,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:01:21,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:01:21,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:01:19" (1/3) ... [2024-11-09 23:01:21,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230df8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:01:21, skipping insertion in model container [2024-11-09 23:01:21,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:20" (2/3) ... [2024-11-09 23:01:21,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230df8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:01:21, skipping insertion in model container [2024-11-09 23:01:21,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:01:21" (3/3) ... [2024-11-09 23:01:21,168 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2024-11-09 23:01:21,181 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:01:21,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:01:21,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:01:21,236 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;@22fb39db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:01:21,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:01:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 274 states have (on average 1.5401459854014599) internal successors, (422), 277 states have internal predecessors, (422), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 23:01:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 23:01:21,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:21,254 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:21,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:21,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:21,258 INFO L85 PathProgramCache]: Analyzing trace with hash -787595307, now seen corresponding path program 1 times [2024-11-09 23:01:21,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:21,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192070192] [2024-11-09 23:01:21,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:01:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:01:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:01:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 23:01:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 23:01:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:01:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 23:01:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:01:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:01:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:01:21,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:21,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192070192] [2024-11-09 23:01:21,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192070192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:01:21,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463125948] [2024-11-09 23:01:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:21,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:21,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:21,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:01:21,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:01:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 23:01:22,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:01:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:01:22,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:01:22,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463125948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:22,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:01:22,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 23:01:22,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079185291] [2024-11-09 23:01:22,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:22,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:01:22,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:22,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:01:22,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:01:22,193 INFO L87 Difference]: Start difference. First operand has 348 states, 274 states have (on average 1.5401459854014599) internal successors, (422), 277 states have internal predecessors, (422), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:22,252 INFO L93 Difference]: Finished difference Result 487 states and 723 transitions. [2024-11-09 23:01:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:01:22,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2024-11-09 23:01:22,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:22,270 INFO L225 Difference]: With dead ends: 487 [2024-11-09 23:01:22,270 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 23:01:22,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:01:22,284 INFO L432 NwaCegarLoop]: 521 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, 521 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 [2024-11-09 23:01:22,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:01:22,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 23:01:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2024-11-09 23:01:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 267 states have (on average 1.5355805243445693) internal successors, (410), 269 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 23:01:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 513 transitions. [2024-11-09 23:01:22,362 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 513 transitions. Word has length 97 [2024-11-09 23:01:22,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:22,363 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 513 transitions. [2024-11-09 23:01:22,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 513 transitions. [2024-11-09 23:01:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 23:01:22,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:22,368 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:22,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:01:22,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 23:01:22,572 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:22,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1137095547, now seen corresponding path program 1 times [2024-11-09 23:01:22,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:22,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848929597] [2024-11-09 23:01:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:01:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:01:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:01:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 23:01:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 23:01:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:01:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 23:01:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:01:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:01:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:01:22,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:22,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848929597] [2024-11-09 23:01:22,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848929597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:01:22,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151836862] [2024-11-09 23:01:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:22,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:22,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:22,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:01:22,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:01:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 23:01:23,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:01:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:01:23,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:01:23,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151836862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:23,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:01:23,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:01:23,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131622144] [2024-11-09 23:01:23,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:23,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:01:23,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:23,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:01:23,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:01:23,074 INFO L87 Difference]: Start difference. First operand 340 states and 513 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:23,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:23,100 INFO L93 Difference]: Finished difference Result 476 states and 700 transitions. [2024-11-09 23:01:23,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:01:23,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-09 23:01:23,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:23,103 INFO L225 Difference]: With dead ends: 476 [2024-11-09 23:01:23,103 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 23:01:23,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:01:23,104 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 0 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:23,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:01:23,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 23:01:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-09 23:01:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 270 states have (on average 1.5296296296296297) internal successors, (413), 272 states have internal predecessors, (413), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 23:01:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 516 transitions. [2024-11-09 23:01:23,125 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 516 transitions. Word has length 99 [2024-11-09 23:01:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:23,126 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 516 transitions. [2024-11-09 23:01:23,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 516 transitions. [2024-11-09 23:01:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 23:01:23,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:23,129 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:23,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:01:23,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 23:01:23,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:23,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:23,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1142069263, now seen corresponding path program 1 times [2024-11-09 23:01:23,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:23,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205344880] [2024-11-09 23:01:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:23,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:01:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:01:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:01:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 23:01:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:01:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 23:01:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:01:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:01:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:01:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:01:23,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205344880] [2024-11-09 23:01:23,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205344880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:01:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66817466] [2024-11-09 23:01:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:23,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:23,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:23,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:01:23,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:01:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:23,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:01:23,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:01:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:01:23,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:01:23,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66817466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:23,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:01:23,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:01:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162616006] [2024-11-09 23:01:23,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:23,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:01:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:23,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:01:23,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:01:23,730 INFO L87 Difference]: Start difference. First operand 343 states and 516 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:23,754 INFO L93 Difference]: Finished difference Result 748 states and 1141 transitions. [2024-11-09 23:01:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:01:23,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-09 23:01:23,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:23,757 INFO L225 Difference]: With dead ends: 748 [2024-11-09 23:01:23,757 INFO L226 Difference]: Without dead ends: 433 [2024-11-09 23:01:23,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:01:23,759 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 152 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 987 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 [2024-11-09 23:01:23,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 987 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:01:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-09 23:01:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 425. [2024-11-09 23:01:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 338 states have (on average 1.5384615384615385) internal successors, (520), 340 states have internal predecessors, (520), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 23:01:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 651 transitions. [2024-11-09 23:01:23,776 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 651 transitions. Word has length 109 [2024-11-09 23:01:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:23,777 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 651 transitions. [2024-11-09 23:01:23,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 651 transitions. [2024-11-09 23:01:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 23:01:23,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:23,779 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:23,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 23:01:23,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:23,980 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:23,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2095497676, now seen corresponding path program 1 times [2024-11-09 23:01:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:23,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248547684] [2024-11-09 23:01:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:01:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:01:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:01:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 23:01:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:01:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 23:01:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:01:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:01:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:01:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:01:24,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:24,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248547684] [2024-11-09 23:01:24,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248547684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:01:24,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542802537] [2024-11-09 23:01:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:24,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:24,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:01:24,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:01:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:01:24,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:01:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:01:24,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:01:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542802537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:24,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:01:24,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:01:24,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062945050] [2024-11-09 23:01:24,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:01:24,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:01:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:01:24,461 INFO L87 Difference]: Start difference. First operand 425 states and 651 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:24,517 INFO L93 Difference]: Finished difference Result 841 states and 1292 transitions. [2024-11-09 23:01:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:01:24,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-09 23:01:24,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:24,522 INFO L225 Difference]: With dead ends: 841 [2024-11-09 23:01:24,522 INFO L226 Difference]: Without dead ends: 427 [2024-11-09 23:01:24,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:01:24,524 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 2 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2009 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 [2024-11-09 23:01:24,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2009 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:01:24,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-09 23:01:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2024-11-09 23:01:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 339 states have (on average 1.536873156342183) internal successors, (521), 342 states have internal predecessors, (521), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-09 23:01:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 654 transitions. [2024-11-09 23:01:24,546 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 654 transitions. Word has length 110 [2024-11-09 23:01:24,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:24,547 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 654 transitions. [2024-11-09 23:01:24,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 654 transitions. [2024-11-09 23:01:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 23:01:24,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:24,550 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:01:24,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 23:01:24,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:24,751 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:24,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:24,751 INFO L85 PathProgramCache]: Analyzing trace with hash -563642883, now seen corresponding path program 1 times [2024-11-09 23:01:24,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:24,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211220685] [2024-11-09 23:01:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:01:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:01:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:01:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:01:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 23:01:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:01:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:01:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:01:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:01:24,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:24,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211220685] [2024-11-09 23:01:24,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211220685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:01:24,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871708064] [2024-11-09 23:01:24,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:24,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:24,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:24,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:01:24,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:01:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:01:25,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:01:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:01:25,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:01:25,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871708064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:25,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:01:25,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 23:01:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900252132] [2024-11-09 23:01:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:25,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:01:25,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:25,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:01:25,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:01:25,240 INFO L87 Difference]: Start difference. First operand 427 states and 654 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:25,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:25,309 INFO L93 Difference]: Finished difference Result 843 states and 1297 transitions. [2024-11-09 23:01:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:01:25,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-11-09 23:01:25,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:25,311 INFO L225 Difference]: With dead ends: 843 [2024-11-09 23:01:25,311 INFO L226 Difference]: Without dead ends: 429 [2024-11-09 23:01:25,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:01:25,313 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 2 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:25,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1995 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:01:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-09 23:01:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-09 23:01:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 340 states have (on average 1.535294117647059) internal successors, (522), 344 states have internal predecessors, (522), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-09 23:01:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 660 transitions. [2024-11-09 23:01:25,326 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 660 transitions. Word has length 111 [2024-11-09 23:01:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:25,326 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 660 transitions. [2024-11-09 23:01:25,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 660 transitions. [2024-11-09 23:01:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 23:01:25,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:25,328 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:01:25,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 23:01:25,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:25,529 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:25,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:25,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1721204549, now seen corresponding path program 1 times [2024-11-09 23:01:25,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:25,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522793458] [2024-11-09 23:01:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:25,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:01:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:01:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:01:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 23:01:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:01:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:01:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:01:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:01:25,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:25,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522793458] [2024-11-09 23:01:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522793458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:25,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:25,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:01:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151717148] [2024-11-09 23:01:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:25,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:01:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:01:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:01:25,668 INFO L87 Difference]: Start difference. First operand 429 states and 660 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:27,378 INFO L93 Difference]: Finished difference Result 978 states and 1539 transitions. [2024-11-09 23:01:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:01:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2024-11-09 23:01:27,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:27,382 INFO L225 Difference]: With dead ends: 978 [2024-11-09 23:01:27,382 INFO L226 Difference]: Without dead ends: 572 [2024-11-09 23:01:27,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:01:27,384 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1014 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:27,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 1481 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 23:01:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-09 23:01:27,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 429. [2024-11-09 23:01:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 340 states have (on average 1.535294117647059) internal successors, (522), 344 states have internal predecessors, (522), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-09 23:01:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 659 transitions. [2024-11-09 23:01:27,409 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 659 transitions. Word has length 112 [2024-11-09 23:01:27,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:27,409 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 659 transitions. [2024-11-09 23:01:27,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 659 transitions. [2024-11-09 23:01:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 23:01:27,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:27,412 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] [2024-11-09 23:01:27,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:01:27,412 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:27,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1045536074, now seen corresponding path program 2 times [2024-11-09 23:01:27,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:27,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272964957] [2024-11-09 23:01:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:27,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 23:01:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:01:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 23:01:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:01:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:01:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:01:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:01:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:01:27,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:27,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272964957] [2024-11-09 23:01:27,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272964957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:27,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:27,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:01:27,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625334613] [2024-11-09 23:01:27,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:27,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:01:27,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:27,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:01:27,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:01:27,546 INFO L87 Difference]: Start difference. First operand 429 states and 659 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:29,058 INFO L93 Difference]: Finished difference Result 980 states and 1542 transitions. [2024-11-09 23:01:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:01:29,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2024-11-09 23:01:29,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:29,061 INFO L225 Difference]: With dead ends: 980 [2024-11-09 23:01:29,062 INFO L226 Difference]: Without dead ends: 574 [2024-11-09 23:01:29,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:01:29,063 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1009 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 2627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:29,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1482 Invalid, 2627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 23:01:29,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-09 23:01:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 431. [2024-11-09 23:01:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 341 states have (on average 1.533724340175953) internal successors, (523), 346 states have internal predecessors, (523), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-09 23:01:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 662 transitions. [2024-11-09 23:01:29,086 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 662 transitions. Word has length 113 [2024-11-09 23:01:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:29,086 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 662 transitions. [2024-11-09 23:01:29,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:01:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 662 transitions. [2024-11-09 23:01:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 23:01:29,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:29,088 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:01:29,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:01:29,088 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:29,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:29,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1094426552, now seen corresponding path program 1 times [2024-11-09 23:01:29,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:29,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429285989] [2024-11-09 23:01:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:29,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:01:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:01:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:01:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:01:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:01:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:01:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:01:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:29,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429285989] [2024-11-09 23:01:29,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429285989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:29,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:29,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:01:29,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711541483] [2024-11-09 23:01:29,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:29,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:01:29,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:29,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:01:29,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:01:29,246 INFO L87 Difference]: Start difference. First operand 431 states and 662 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:01:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:31,255 INFO L93 Difference]: Finished difference Result 978 states and 1537 transitions. [2024-11-09 23:01:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:01:31,256 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 114 [2024-11-09 23:01:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:31,259 INFO L225 Difference]: With dead ends: 978 [2024-11-09 23:01:31,259 INFO L226 Difference]: Without dead ends: 574 [2024-11-09 23:01:31,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:01:31,261 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1005 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 3763 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 3763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:31,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 2054 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 3763 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 23:01:31,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-09 23:01:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 431. [2024-11-09 23:01:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 341 states have (on average 1.533724340175953) internal successors, (523), 346 states have internal predecessors, (523), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-09 23:01:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 661 transitions. [2024-11-09 23:01:31,306 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 661 transitions. Word has length 114 [2024-11-09 23:01:31,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:31,307 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 661 transitions. [2024-11-09 23:01:31,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:01:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 661 transitions. [2024-11-09 23:01:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 23:01:31,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:31,309 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] [2024-11-09 23:01:31,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:01:31,309 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:31,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:31,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1703937416, now seen corresponding path program 2 times [2024-11-09 23:01:31,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:31,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185574581] [2024-11-09 23:01:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:31,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:01:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:01:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:01:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:01:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:01:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:01:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:01:31,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:31,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185574581] [2024-11-09 23:01:31,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185574581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:31,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:31,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:01:31,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497506713] [2024-11-09 23:01:31,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:31,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:01:31,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:31,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:01:31,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:01:31,533 INFO L87 Difference]: Start difference. First operand 431 states and 661 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:01:33,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:33,678 INFO L93 Difference]: Finished difference Result 980 states and 1543 transitions. [2024-11-09 23:01:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:01:33,678 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 115 [2024-11-09 23:01:33,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:33,681 INFO L225 Difference]: With dead ends: 980 [2024-11-09 23:01:33,681 INFO L226 Difference]: Without dead ends: 576 [2024-11-09 23:01:33,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:01:33,684 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1008 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 3747 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 4140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 3747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:33,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 2054 Invalid, 4140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 3747 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 23:01:33,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-09 23:01:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 433. [2024-11-09 23:01:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 342 states have (on average 1.5321637426900585) internal successors, (524), 348 states have internal predecessors, (524), 66 states have call successors, (66), 20 states have call predecessors, (66), 24 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-11-09 23:01:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 667 transitions. [2024-11-09 23:01:33,704 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 667 transitions. Word has length 115 [2024-11-09 23:01:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:33,705 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 667 transitions. [2024-11-09 23:01:33,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:01:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 667 transitions. [2024-11-09 23:01:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 23:01:33,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:33,707 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:01:33,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:01:33,707 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:33,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:33,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1543102101, now seen corresponding path program 1 times [2024-11-09 23:01:33,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:33,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352489349] [2024-11-09 23:01:33,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:33,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:01:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:01:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:01:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:01:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:01:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:01:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 23:01:33,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:33,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352489349] [2024-11-09 23:01:33,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352489349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:01:33,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646762371] [2024-11-09 23:01:33,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:33,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:01:33,861 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:01:33,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:01:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:34,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:01:34,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:01:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:34,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:01:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:34,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646762371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:01:34,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:01:34,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-09 23:01:34,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44531159] [2024-11-09 23:01:34,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:01:34,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:01:34,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:34,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:01:34,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:01:34,246 INFO L87 Difference]: Start difference. First operand 433 states and 667 transitions. Second operand has 15 states, 14 states have (on average 9.5) internal successors, (133), 11 states have internal predecessors, (133), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 23:01:36,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:36,712 INFO L93 Difference]: Finished difference Result 1495 states and 2430 transitions. [2024-11-09 23:01:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:01:36,712 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.5) internal successors, (133), 11 states have internal predecessors, (133), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 116 [2024-11-09 23:01:36,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:36,718 INFO L225 Difference]: With dead ends: 1495 [2024-11-09 23:01:36,718 INFO L226 Difference]: Without dead ends: 1094 [2024-11-09 23:01:36,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:01:36,720 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 2476 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 4014 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 4810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 4014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:36,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 2246 Invalid, 4810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 4014 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 23:01:36,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-09 23:01:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 927. [2024-11-09 23:01:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 757 states have (on average 1.560105680317041) internal successors, (1181), 763 states have internal predecessors, (1181), 145 states have call successors, (145), 20 states have call predecessors, (145), 24 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-11-09 23:01:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1492 transitions. [2024-11-09 23:01:36,755 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1492 transitions. Word has length 116 [2024-11-09 23:01:36,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:36,755 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1492 transitions. [2024-11-09 23:01:36,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.5) internal successors, (133), 11 states have internal predecessors, (133), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 23:01:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1492 transitions. [2024-11-09 23:01:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 23:01:36,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:36,758 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:36,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 23:01:36,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:01:36,963 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:36,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:36,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1733711740, now seen corresponding path program 1 times [2024-11-09 23:01:36,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:36,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416776888] [2024-11-09 23:01:36,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:36,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:01:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:01:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:01:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:01:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:01:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:01:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:37,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:37,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416776888] [2024-11-09 23:01:37,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416776888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:37,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:37,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:37,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848547452] [2024-11-09 23:01:37,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:37,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:37,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:37,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:37,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:37,084 INFO L87 Difference]: Start difference. First operand 927 states and 1492 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:38,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:38,272 INFO L93 Difference]: Finished difference Result 2392 states and 3941 transitions. [2024-11-09 23:01:38,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:38,272 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-11-09 23:01:38,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:38,286 INFO L225 Difference]: With dead ends: 2392 [2024-11-09 23:01:38,286 INFO L226 Difference]: Without dead ends: 1545 [2024-11-09 23:01:38,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:38,294 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 1154 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:38,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 1140 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:01:38,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-11-09 23:01:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1394. [2024-11-09 23:01:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1145 states have (on average 1.565938864628821) internal successors, (1793), 1151 states have internal predecessors, (1793), 224 states have call successors, (224), 20 states have call predecessors, (224), 24 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-11-09 23:01:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2272 transitions. [2024-11-09 23:01:38,409 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2272 transitions. Word has length 127 [2024-11-09 23:01:38,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:38,409 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2272 transitions. [2024-11-09 23:01:38,410 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2272 transitions. [2024-11-09 23:01:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 23:01:38,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:38,414 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:38,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:01:38,415 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:38,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:38,415 INFO L85 PathProgramCache]: Analyzing trace with hash -341264727, now seen corresponding path program 1 times [2024-11-09 23:01:38,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:38,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007936582] [2024-11-09 23:01:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:38,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:01:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:01:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:01:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:01:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:01:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:01:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:38,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:38,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007936582] [2024-11-09 23:01:38,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007936582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:38,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:38,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:38,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096331502] [2024-11-09 23:01:38,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:38,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:38,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:38,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:38,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:38,539 INFO L87 Difference]: Start difference. First operand 1394 states and 2272 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:39,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:39,710 INFO L93 Difference]: Finished difference Result 3561 states and 5884 transitions. [2024-11-09 23:01:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:39,711 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-09 23:01:39,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:39,732 INFO L225 Difference]: With dead ends: 3561 [2024-11-09 23:01:39,732 INFO L226 Difference]: Without dead ends: 2306 [2024-11-09 23:01:39,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:39,740 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1148 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:39,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 1085 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:01:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2024-11-09 23:01:39,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2155. [2024-11-09 23:01:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1787 states have (on average 1.5663122551762731) internal successors, (2799), 1793 states have internal predecessors, (2799), 343 states have call successors, (343), 20 states have call predecessors, (343), 24 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-11-09 23:01:39,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3516 transitions. [2024-11-09 23:01:39,883 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3516 transitions. Word has length 128 [2024-11-09 23:01:39,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:39,883 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3516 transitions. [2024-11-09 23:01:39,884 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3516 transitions. [2024-11-09 23:01:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 23:01:39,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:39,892 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:39,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:01:39,893 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:39,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1798163428, now seen corresponding path program 1 times [2024-11-09 23:01:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:39,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6706659] [2024-11-09 23:01:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:01:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:01:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:01:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:01:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:01:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:01:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:40,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6706659] [2024-11-09 23:01:40,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6706659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:40,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:40,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:40,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552652328] [2024-11-09 23:01:40,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:40,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:40,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:40,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:40,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:40,005 INFO L87 Difference]: Start difference. First operand 2155 states and 3516 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:41,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:41,212 INFO L93 Difference]: Finished difference Result 5353 states and 8870 transitions. [2024-11-09 23:01:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:41,212 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 129 [2024-11-09 23:01:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:41,225 INFO L225 Difference]: With dead ends: 5353 [2024-11-09 23:01:41,225 INFO L226 Difference]: Without dead ends: 3486 [2024-11-09 23:01:41,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:41,230 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1143 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:41,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 1084 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:01:41,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2024-11-09 23:01:41,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3335. [2024-11-09 23:01:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3335 states, 2805 states have (on average 1.566488413547237) internal successors, (4394), 2811 states have internal predecessors, (4394), 505 states have call successors, (505), 20 states have call predecessors, (505), 24 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-11-09 23:01:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 3335 states and 5451 transitions. [2024-11-09 23:01:41,353 INFO L78 Accepts]: Start accepts. Automaton has 3335 states and 5451 transitions. Word has length 129 [2024-11-09 23:01:41,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:41,353 INFO L471 AbstractCegarLoop]: Abstraction has 3335 states and 5451 transitions. [2024-11-09 23:01:41,353 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 5451 transitions. [2024-11-09 23:01:41,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 23:01:41,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:41,362 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:41,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:01:41,362 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:41,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:41,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2044201047, now seen corresponding path program 1 times [2024-11-09 23:01:41,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:41,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912626729] [2024-11-09 23:01:41,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:41,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:01:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:01:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:01:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:01:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:01:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:01:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:41,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:41,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912626729] [2024-11-09 23:01:41,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912626729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:41,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:41,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:41,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190356007] [2024-11-09 23:01:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:41,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:41,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:41,442 INFO L87 Difference]: Start difference. First operand 3335 states and 5451 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:42,648 INFO L93 Difference]: Finished difference Result 8209 states and 13627 transitions. [2024-11-09 23:01:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:42,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2024-11-09 23:01:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:42,677 INFO L225 Difference]: With dead ends: 8209 [2024-11-09 23:01:42,678 INFO L226 Difference]: Without dead ends: 5407 [2024-11-09 23:01:42,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:42,749 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1138 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:42,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1083 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:01:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5407 states. [2024-11-09 23:01:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5407 to 5256. [2024-11-09 23:01:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5256 states, 4481 states have (on average 1.565945101539835) internal successors, (7017), 4487 states have internal predecessors, (7017), 750 states have call successors, (750), 20 states have call predecessors, (750), 24 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-11-09 23:01:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5256 states to 5256 states and 8590 transitions. [2024-11-09 23:01:42,901 INFO L78 Accepts]: Start accepts. Automaton has 5256 states and 8590 transitions. Word has length 130 [2024-11-09 23:01:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:42,902 INFO L471 AbstractCegarLoop]: Abstraction has 5256 states and 8590 transitions. [2024-11-09 23:01:42,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5256 states and 8590 transitions. [2024-11-09 23:01:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 23:01:42,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:42,911 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:42,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:01:42,912 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:42,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:42,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1563426908, now seen corresponding path program 1 times [2024-11-09 23:01:42,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:42,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782676512] [2024-11-09 23:01:42,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:42,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:01:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:01:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:01:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:01:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:01:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:01:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:42,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:42,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782676512] [2024-11-09 23:01:42,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782676512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:42,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991519167] [2024-11-09 23:01:42,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:42,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:42,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:42,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:43,003 INFO L87 Difference]: Start difference. First operand 5256 states and 8590 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:44,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:44,337 INFO L93 Difference]: Finished difference Result 13005 states and 21599 transitions. [2024-11-09 23:01:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:44,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2024-11-09 23:01:44,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:44,419 INFO L225 Difference]: With dead ends: 13005 [2024-11-09 23:01:44,419 INFO L226 Difference]: Without dead ends: 8656 [2024-11-09 23:01:44,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:44,444 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1140 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:44,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1092 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:01:44,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8656 states. [2024-11-09 23:01:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8656 to 8505. [2024-11-09 23:01:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8505 states, 7237 states have (on average 1.5589332596379715) internal successors, (11282), 7243 states have internal predecessors, (11282), 1243 states have call successors, (1243), 20 states have call predecessors, (1243), 24 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-11-09 23:01:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8505 states to 8505 states and 13885 transitions. [2024-11-09 23:01:44,986 INFO L78 Accepts]: Start accepts. Automaton has 8505 states and 13885 transitions. Word has length 131 [2024-11-09 23:01:44,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:44,986 INFO L471 AbstractCegarLoop]: Abstraction has 8505 states and 13885 transitions. [2024-11-09 23:01:44,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 8505 states and 13885 transitions. [2024-11-09 23:01:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 23:01:45,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:45,000 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:45,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:01:45,000 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:45,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash 811606057, now seen corresponding path program 1 times [2024-11-09 23:01:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:45,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828904763] [2024-11-09 23:01:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:45,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:01:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:01:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:01:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:01:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:01:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:01:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:45,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:45,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828904763] [2024-11-09 23:01:45,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828904763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:45,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:45,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:45,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943016809] [2024-11-09 23:01:45,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:45,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:45,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:45,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:45,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:45,108 INFO L87 Difference]: Start difference. First operand 8505 states and 13885 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:46,702 INFO L93 Difference]: Finished difference Result 21706 states and 35961 transitions. [2024-11-09 23:01:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:46,702 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2024-11-09 23:01:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:46,755 INFO L225 Difference]: With dead ends: 21706 [2024-11-09 23:01:46,755 INFO L226 Difference]: Without dead ends: 14572 [2024-11-09 23:01:46,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:46,774 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1146 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:46,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 1084 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:01:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14572 states. [2024-11-09 23:01:47,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14572 to 14421. [2024-11-09 23:01:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14421 states, 12331 states have (on average 1.5559970805287486) internal successors, (19187), 12337 states have internal predecessors, (19187), 2065 states have call successors, (2065), 20 states have call predecessors, (2065), 24 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-11-09 23:01:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14421 states to 14421 states and 23512 transitions. [2024-11-09 23:01:47,303 INFO L78 Accepts]: Start accepts. Automaton has 14421 states and 23512 transitions. Word has length 132 [2024-11-09 23:01:47,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:47,303 INFO L471 AbstractCegarLoop]: Abstraction has 14421 states and 23512 transitions. [2024-11-09 23:01:47,304 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 14421 states and 23512 transitions. [2024-11-09 23:01:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 23:01:47,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:47,319 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:47,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:01:47,319 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:47,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:47,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1048647428, now seen corresponding path program 1 times [2024-11-09 23:01:47,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:47,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038400965] [2024-11-09 23:01:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:47,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:01:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:01:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:01:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:01:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:01:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:01:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:47,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:47,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038400965] [2024-11-09 23:01:47,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038400965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:47,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:47,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:47,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454688925] [2024-11-09 23:01:47,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:47,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:47,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:47,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:47,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:47,417 INFO L87 Difference]: Start difference. First operand 14421 states and 23512 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:48,931 INFO L93 Difference]: Finished difference Result 35244 states and 57716 transitions. [2024-11-09 23:01:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:48,932 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 133 [2024-11-09 23:01:48,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:49,003 INFO L225 Difference]: With dead ends: 35244 [2024-11-09 23:01:49,003 INFO L226 Difference]: Without dead ends: 23284 [2024-11-09 23:01:49,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:49,031 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1139 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:49,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1059 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:01:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23284 states. [2024-11-09 23:01:49,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23284 to 23133. [2024-11-09 23:01:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 19840 states have (on average 1.523790322580645) internal successors, (30232), 19846 states have internal predecessors, (30232), 3268 states have call successors, (3268), 20 states have call predecessors, (3268), 24 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-11-09 23:01:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 37107 transitions. [2024-11-09 23:01:49,895 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 37107 transitions. Word has length 133 [2024-11-09 23:01:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:49,896 INFO L471 AbstractCegarLoop]: Abstraction has 23133 states and 37107 transitions. [2024-11-09 23:01:49,896 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 37107 transitions. [2024-11-09 23:01:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 23:01:49,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:49,911 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:49,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:01:49,912 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:49,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1036232215, now seen corresponding path program 1 times [2024-11-09 23:01:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:49,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814446865] [2024-11-09 23:01:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:49,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:01:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:01:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:50,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:01:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:01:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:50,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:01:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:01:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:50,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:50,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814446865] [2024-11-09 23:01:50,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814446865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:50,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:50,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:50,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453826519] [2024-11-09 23:01:50,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:50,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:50,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:50,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:50,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:50,011 INFO L87 Difference]: Start difference. First operand 23133 states and 37107 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:52,032 INFO L93 Difference]: Finished difference Result 61668 states and 100232 transitions. [2024-11-09 23:01:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:52,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 134 [2024-11-09 23:01:52,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:52,154 INFO L225 Difference]: With dead ends: 61668 [2024-11-09 23:01:52,154 INFO L226 Difference]: Without dead ends: 41787 [2024-11-09 23:01:52,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:52,195 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1129 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:52,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 1084 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:01:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41787 states. [2024-11-09 23:01:53,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41787 to 41636. [2024-11-09 23:01:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41636 states, 35893 states have (on average 1.5181511715376257) internal successors, (54491), 35899 states have internal predecessors, (54491), 5718 states have call successors, (5718), 20 states have call predecessors, (5718), 24 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-11-09 23:01:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41636 states to 41636 states and 66540 transitions. [2024-11-09 23:01:53,586 INFO L78 Accepts]: Start accepts. Automaton has 41636 states and 66540 transitions. Word has length 134 [2024-11-09 23:01:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:53,587 INFO L471 AbstractCegarLoop]: Abstraction has 41636 states and 66540 transitions. [2024-11-09 23:01:53,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 41636 states and 66540 transitions. [2024-11-09 23:01:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 23:01:53,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:53,605 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:53,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:01:53,606 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:53,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash -717121092, now seen corresponding path program 1 times [2024-11-09 23:01:53,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:53,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374382749] [2024-11-09 23:01:53,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:53,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:01:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:01:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:01:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:01:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:01:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:01:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:53,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:53,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374382749] [2024-11-09 23:01:53,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374382749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:53,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:53,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408027260] [2024-11-09 23:01:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:53,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:53,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:53,906 INFO L87 Difference]: Start difference. First operand 41636 states and 66540 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:56,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:01:56,653 INFO L93 Difference]: Finished difference Result 114342 states and 184618 transitions. [2024-11-09 23:01:56,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:01:56,654 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 135 [2024-11-09 23:01:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:01:56,903 INFO L225 Difference]: With dead ends: 114342 [2024-11-09 23:01:56,903 INFO L226 Difference]: Without dead ends: 77060 [2024-11-09 23:01:56,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:01:56,978 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1123 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:01:56,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 1096 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:01:57,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77060 states. [2024-11-09 23:01:59,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77060 to 76909. [2024-11-09 23:01:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76909 states, 66653 states have (on average 1.5120099620422187) internal successors, (100780), 66659 states have internal predecessors, (100780), 10231 states have call successors, (10231), 20 states have call predecessors, (10231), 24 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-11-09 23:01:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76909 states to 76909 states and 122387 transitions. [2024-11-09 23:01:59,581 INFO L78 Accepts]: Start accepts. Automaton has 76909 states and 122387 transitions. Word has length 135 [2024-11-09 23:01:59,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:01:59,581 INFO L471 AbstractCegarLoop]: Abstraction has 76909 states and 122387 transitions. [2024-11-09 23:01:59,582 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:01:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 76909 states and 122387 transitions. [2024-11-09 23:01:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:01:59,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:01:59,598 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:01:59,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:01:59,598 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:01:59,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:01:59,599 INFO L85 PathProgramCache]: Analyzing trace with hash 726223689, now seen corresponding path program 1 times [2024-11-09 23:01:59,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:01:59,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489612809] [2024-11-09 23:01:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:01:59,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:01:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:01:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:01:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:01:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:01:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:01:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:01:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:01:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:01:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:01:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:01:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:01:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:01:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:01:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:01:59,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:01:59,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489612809] [2024-11-09 23:01:59,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489612809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:01:59,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:01:59,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:01:59,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610561056] [2024-11-09 23:01:59,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:01:59,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:01:59,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:01:59,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:01:59,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:01:59,695 INFO L87 Difference]: Start difference. First operand 76909 states and 122387 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:04,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:04,296 INFO L93 Difference]: Finished difference Result 145096 states and 234144 transitions. [2024-11-09 23:02:04,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:04,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-09 23:02:04,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:04,671 INFO L225 Difference]: With dead ends: 145096 [2024-11-09 23:02:04,671 INFO L226 Difference]: Without dead ends: 144963 [2024-11-09 23:02:04,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:04,714 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 1128 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:04,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1121 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 23:02:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144963 states. [2024-11-09 23:02:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144963 to 144812. [2024-11-09 23:02:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144812 states, 126188 states have (on average 1.5052699147304023) internal successors, (189947), 126194 states have internal predecessors, (189947), 18599 states have call successors, (18599), 20 states have call predecessors, (18599), 24 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-09 23:02:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144812 states to 144812 states and 229336 transitions. [2024-11-09 23:02:09,541 INFO L78 Accepts]: Start accepts. Automaton has 144812 states and 229336 transitions. Word has length 136 [2024-11-09 23:02:09,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:09,541 INFO L471 AbstractCegarLoop]: Abstraction has 144812 states and 229336 transitions. [2024-11-09 23:02:09,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 144812 states and 229336 transitions. [2024-11-09 23:02:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 23:02:09,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:09,564 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:09,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:02:09,564 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:09,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:09,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1339025020, now seen corresponding path program 1 times [2024-11-09 23:02:09,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:09,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550879053] [2024-11-09 23:02:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:02:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:02:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:02:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:02:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:02:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:02:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 23:02:09,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:09,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550879053] [2024-11-09 23:02:09,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550879053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:09,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340028272] [2024-11-09 23:02:09,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:09,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:09,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:02:09,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 23:02:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:10,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 23:02:10,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 23:02:10,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:02:10,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340028272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:10,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:02:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2024-11-09 23:02:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489836551] [2024-11-09 23:02:10,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:10,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:02:10,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:10,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:02:10,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2024-11-09 23:02:10,859 INFO L87 Difference]: Start difference. First operand 144812 states and 229336 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 23:02:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:13,408 INFO L93 Difference]: Finished difference Result 145102 states and 229750 transitions. [2024-11-09 23:02:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 23:02:13,409 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 137 [2024-11-09 23:02:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:13,846 INFO L225 Difference]: With dead ends: 145102 [2024-11-09 23:02:13,847 INFO L226 Difference]: Without dead ends: 144975 [2024-11-09 23:02:13,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=1462, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 23:02:13,895 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 702 mSDsluCounter, 4353 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:13,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 4899 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:02:13,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144975 states. [2024-11-09 23:02:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144975 to 144955. [2024-11-09 23:02:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144955 states, 126295 states have (on average 1.5051823112553941) internal successors, (190097), 126302 states have internal predecessors, (190097), 18621 states have call successors, (18621), 32 states have call predecessors, (18621), 38 states have return successors, (20824), 18620 states have call predecessors, (20824), 18619 states have call successors, (20824) [2024-11-09 23:02:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144955 states to 144955 states and 229542 transitions. [2024-11-09 23:02:18,547 INFO L78 Accepts]: Start accepts. Automaton has 144955 states and 229542 transitions. Word has length 137 [2024-11-09 23:02:18,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:18,547 INFO L471 AbstractCegarLoop]: Abstraction has 144955 states and 229542 transitions. [2024-11-09 23:02:18,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 23:02:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 144955 states and 229542 transitions. [2024-11-09 23:02:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 23:02:18,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:18,572 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:18,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 23:02:18,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:18,773 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:18,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:18,774 INFO L85 PathProgramCache]: Analyzing trace with hash -204958589, now seen corresponding path program 1 times [2024-11-09 23:02:18,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:18,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539816607] [2024-11-09 23:02:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:02:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:02:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:02:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:02:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:02:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:02:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:19,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:19,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539816607] [2024-11-09 23:02:19,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539816607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:19,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:19,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:02:19,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848695128] [2024-11-09 23:02:19,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:19,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:02:19,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:19,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:02:19,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:02:19,039 INFO L87 Difference]: Start difference. First operand 144955 states and 229542 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:23,935 INFO L93 Difference]: Finished difference Result 145524 states and 233771 transitions. [2024-11-09 23:02:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 23:02:23,935 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-11-09 23:02:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:24,452 INFO L225 Difference]: With dead ends: 145524 [2024-11-09 23:02:24,452 INFO L226 Difference]: Without dead ends: 145269 [2024-11-09 23:02:24,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-09 23:02:24,507 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1025 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 3854 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 4209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 3854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:24,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 2042 Invalid, 4209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 3854 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 23:02:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145269 states. [2024-11-09 23:02:28,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145269 to 144996. [2024-11-09 23:02:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144996 states, 126322 states have (on average 1.5051218315099508) internal successors, (190130), 126330 states have internal predecessors, (190130), 18631 states have call successors, (18631), 32 states have call predecessors, (18631), 42 states have return successors, (20853), 18633 states have call predecessors, (20853), 18629 states have call successors, (20853) [2024-11-09 23:02:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144996 states to 144996 states and 229614 transitions. [2024-11-09 23:02:28,559 INFO L78 Accepts]: Start accepts. Automaton has 144996 states and 229614 transitions. Word has length 138 [2024-11-09 23:02:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:28,560 INFO L471 AbstractCegarLoop]: Abstraction has 144996 states and 229614 transitions. [2024-11-09 23:02:28,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 144996 states and 229614 transitions. [2024-11-09 23:02:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 23:02:28,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:28,580 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:28,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 23:02:28,580 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:28,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:28,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1558268286, now seen corresponding path program 1 times [2024-11-09 23:02:28,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:28,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937939569] [2024-11-09 23:02:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:28,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:02:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:02:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:02:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:02:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:02:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:02:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:29,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:29,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937939569] [2024-11-09 23:02:29,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937939569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:29,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:29,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-09 23:02:29,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893249274] [2024-11-09 23:02:29,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:29,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:02:29,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:29,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:02:29,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:02:29,484 INFO L87 Difference]: Start difference. First operand 144996 states and 229614 transitions. Second operand has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 10 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:35,266 INFO L93 Difference]: Finished difference Result 146085 states and 234737 transitions. [2024-11-09 23:02:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 23:02:35,267 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 10 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-11-09 23:02:35,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.