./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_product36.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 f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 14:58:55,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 14:58:55,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 14:58:55,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 14:58:55,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 14:58:55,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 14:58:55,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 14:58:55,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 14:58:55,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 14:58:55,517 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 14:58:55,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 14:58:55,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 14:58:55,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 14:58:55,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 14:58:55,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 14:58:55,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 14:58:55,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 14:58:55,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 14:58:55,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 14:58:55,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 14:58:55,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 14:58:55,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 14:58:55,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 14:58:55,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 14:58:55,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 14:58:55,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 14:58:55,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 14:58:55,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 14:58:55,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 14:58:55,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 14:58:55,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 14:58:55,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 14:58:55,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:58:55,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 14:58:55,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 14:58:55,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 14:58:55,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 14:58:55,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 14:58:55,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 14:58:55,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 14:58:55,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 14:58:55,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 14:58:55,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 [2024-11-08 14:58:55,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 14:58:55,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 14:58:55,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 14:58:55,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 14:58:55,778 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 14:58:55,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2024-11-08 14:58:56,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 14:58:57,220 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 14:58:57,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2024-11-08 14:58:57,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7051f561/713f8a48d2e84a86a841cae6b229f83f/FLAG1ec3da00d [2024-11-08 14:58:57,548 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7051f561/713f8a48d2e84a86a841cae6b229f83f [2024-11-08 14:58:57,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 14:58:57,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 14:58:57,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 14:58:57,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 14:58:57,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 14:58:57,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:58:57" (1/1) ... [2024-11-08 14:58:57,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb9ef61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:57, skipping insertion in model container [2024-11-08 14:58:57,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:58:57" (1/1) ... [2024-11-08 14:58:57,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 14:58:57,880 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_product36.cil.c[27504,27517] [2024-11-08 14:58:57,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:58:57,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 14:58:57,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-08 14:58:57,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2024-11-08 14:58:57,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [826] [2024-11-08 14:58:57,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] [2024-11-08 14:58:57,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1044] [2024-11-08 14:58:57,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1242] [2024-11-08 14:58:57,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1251] [2024-11-08 14:58:57,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2325] [2024-11-08 14:58:57,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2342] [2024-11-08 14:58:57,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2581] [2024-11-08 14:58:57,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2601] [2024-11-08 14:58:58,008 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_product36.cil.c[27504,27517] [2024-11-08 14:58:58,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:58:58,070 INFO L204 MainTranslator]: Completed translation [2024-11-08 14:58:58,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58 WrapperNode [2024-11-08 14:58:58,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 14:58:58,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 14:58:58,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 14:58:58,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 14:58:58,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,119 INFO L138 Inliner]: procedures = 113, calls = 136, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 699 [2024-11-08 14:58:58,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 14:58:58,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 14:58:58,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 14:58:58,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 14:58:58,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,146 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2024-11-08 14:58:58,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 14:58:58,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 14:58:58,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 14:58:58,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 14:58:58,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (1/1) ... [2024-11-08 14:58:58,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:58:58,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:58,213 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) [2024-11-08 14:58:58,216 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 [2024-11-08 14:58:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 14:58:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 14:58:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 14:58:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 14:58:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 14:58:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 14:58:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 14:58:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 14:58:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 14:58:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 14:58:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 14:58:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 14:58:58,464 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 14:58:58,466 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 14:58:58,938 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-08 14:58:58,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 14:58:58,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 14:58:58,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 14:58:58,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:58:58 BoogieIcfgContainer [2024-11-08 14:58:58,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 14:58:58,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 14:58:58,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 14:58:58,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 14:58:58,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 02:58:57" (1/3) ... [2024-11-08 14:58:58,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372b1412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:58:58, skipping insertion in model container [2024-11-08 14:58:58,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:58" (2/3) ... [2024-11-08 14:58:58,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372b1412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:58:58, skipping insertion in model container [2024-11-08 14:58:58,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:58:58" (3/3) ... [2024-11-08 14:58:58,963 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2024-11-08 14:58:58,975 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 14:58:58,975 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 14:58:59,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 14:58:59,038 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;@57f801dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 14:58:59,038 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 14:58:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 185 states have (on average 1.5513513513513513) internal successors, (287), 188 states have internal predecessors, (287), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 14:58:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 14:58:59,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:59,054 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:58:59,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:59,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 80564480, now seen corresponding path program 1 times [2024-11-08 14:58:59,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:59,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258451855] [2024-11-08 14:58:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:59,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 14:58:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 14:58:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 14:58:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 14:58:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:58:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:58:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 14:58:59,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:59,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258451855] [2024-11-08 14:58:59,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258451855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:59,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225142296] [2024-11-08 14:58:59,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:59,610 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) [2024-11-08 14:58:59,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 14:58:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:59,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 14:58:59,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 14:58:59,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:58:59,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225142296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:59,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:58:59,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2024-11-08 14:58:59,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341366589] [2024-11-08 14:58:59,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:59,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 14:58:59,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:59,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 14:58:59,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:58:59,880 INFO L87 Difference]: Start difference. First operand has 232 states, 185 states have (on average 1.5513513513513513) internal successors, (287), 188 states have internal predecessors, (287), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:58:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:59,910 INFO L93 Difference]: Finished difference Result 370 states and 545 transitions. [2024-11-08 14:58:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 14:58:59,911 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-08 14:58:59,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:59,920 INFO L225 Difference]: With dead ends: 370 [2024-11-08 14:58:59,920 INFO L226 Difference]: Without dead ends: 225 [2024-11-08 14:58:59,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:58:59,925 INFO L432 NwaCegarLoop]: 345 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, 345 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:59,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:58:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-08 14:58:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-08 14:58:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 179 states have (on average 1.541899441340782) internal successors, (276), 181 states have internal predecessors, (276), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 14:58:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 337 transitions. [2024-11-08 14:58:59,972 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 337 transitions. Word has length 78 [2024-11-08 14:58:59,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:59,973 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 337 transitions. [2024-11-08 14:58:59,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:58:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 337 transitions. [2024-11-08 14:58:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 14:58:59,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:59,976 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:58:59,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 14:59:00,180 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 [2024-11-08 14:59:00,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:00,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:00,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1762266967, now seen corresponding path program 1 times [2024-11-08 14:59:00,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:00,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785641770] [2024-11-08 14:59:00,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:00,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:59:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 14:59:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 14:59:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 14:59:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:59:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 14:59:00,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:00,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785641770] [2024-11-08 14:59:00,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785641770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:00,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527639521] [2024-11-08 14:59:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:00,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:00,411 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) [2024-11-08 14:59:00,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 14:59:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 14:59:00,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 14:59:00,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:00,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527639521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:00,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:00,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-08 14:59:00,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59522310] [2024-11-08 14:59:00,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:00,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:59:00,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:00,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:59:00,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:59:00,645 INFO L87 Difference]: Start difference. First operand 225 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:00,683 INFO L93 Difference]: Finished difference Result 360 states and 523 transitions. [2024-11-08 14:59:00,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:59:00,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2024-11-08 14:59:00,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:00,687 INFO L225 Difference]: With dead ends: 360 [2024-11-08 14:59:00,687 INFO L226 Difference]: Without dead ends: 228 [2024-11-08 14:59:00,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:59:00,689 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 1 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:00,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 668 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-08 14:59:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-08 14:59:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 181 states have (on average 1.5359116022099448) internal successors, (278), 183 states have internal predecessors, (278), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 14:59:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 339 transitions. [2024-11-08 14:59:00,713 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 339 transitions. Word has length 79 [2024-11-08 14:59:00,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:00,713 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 339 transitions. [2024-11-08 14:59:00,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 339 transitions. [2024-11-08 14:59:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 14:59:00,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:00,717 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-08 14:59:00,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 14:59:00,917 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 [2024-11-08 14:59:00,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:00,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:00,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1824935857, now seen corresponding path program 1 times [2024-11-08 14:59:00,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:00,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970939010] [2024-11-08 14:59:00,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 14:59:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 14:59:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:59:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 14:59:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:59:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 14:59:01,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:01,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970939010] [2024-11-08 14:59:01,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970939010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:01,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787717845] [2024-11-08 14:59:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:01,091 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) [2024-11-08 14:59:01,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 14:59:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 14:59:01,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 14:59:01,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:01,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787717845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:01,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:01,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-08 14:59:01,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287038901] [2024-11-08 14:59:01,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:01,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:59:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:01,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:59:01,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:59:01,319 INFO L87 Difference]: Start difference. First operand 227 states and 339 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:01,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:01,370 INFO L93 Difference]: Finished difference Result 447 states and 671 transitions. [2024-11-08 14:59:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:59:01,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-11-08 14:59:01,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:01,373 INFO L225 Difference]: With dead ends: 447 [2024-11-08 14:59:01,374 INFO L226 Difference]: Without dead ends: 229 [2024-11-08 14:59:01,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:59:01,375 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 2 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:01,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1305 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:59:01,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-08 14:59:01,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-08 14:59:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.532967032967033) internal successors, (279), 185 states have internal predecessors, (279), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (32), 29 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-08 14:59:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 342 transitions. [2024-11-08 14:59:01,395 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 342 transitions. Word has length 84 [2024-11-08 14:59:01,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:01,396 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 342 transitions. [2024-11-08 14:59:01,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 342 transitions. [2024-11-08 14:59:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 14:59:01,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:01,400 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:59:01,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 14:59:01,602 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 [2024-11-08 14:59:01,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:01,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash -388126467, now seen corresponding path program 1 times [2024-11-08 14:59:01,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:01,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129387117] [2024-11-08 14:59:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:01,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:59:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:59:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 14:59:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:59:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:59:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 14:59:01,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:01,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129387117] [2024-11-08 14:59:01,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129387117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:01,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:01,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 14:59:01,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825134562] [2024-11-08 14:59:01,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:01,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 14:59:01,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:01,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 14:59:01,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:59:01,720 INFO L87 Difference]: Start difference. First operand 229 states and 342 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:02,846 INFO L93 Difference]: Finished difference Result 577 states and 897 transitions. [2024-11-08 14:59:02,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 14:59:02,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-11-08 14:59:02,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:02,851 INFO L225 Difference]: With dead ends: 577 [2024-11-08 14:59:02,851 INFO L226 Difference]: Without dead ends: 367 [2024-11-08 14:59:02,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-08 14:59:02,853 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 547 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:02,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 781 Invalid, 1924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:59:02,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-08 14:59:02,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 229. [2024-11-08 14:59:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.532967032967033) internal successors, (279), 185 states have internal predecessors, (279), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2024-11-08 14:59:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 341 transitions. [2024-11-08 14:59:02,888 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 341 transitions. Word has length 85 [2024-11-08 14:59:02,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:02,888 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 341 transitions. [2024-11-08 14:59:02,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 341 transitions. [2024-11-08 14:59:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 14:59:02,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:02,890 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:59:02,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 14:59:02,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:02,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:02,893 INFO L85 PathProgramCache]: Analyzing trace with hash 466057523, now seen corresponding path program 2 times [2024-11-08 14:59:02,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:02,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173089994] [2024-11-08 14:59:02,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 14:59:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 14:59:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 14:59:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:59:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:59:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:59:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 14:59:03,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:03,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173089994] [2024-11-08 14:59:03,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173089994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:03,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:03,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 14:59:03,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976024310] [2024-11-08 14:59:03,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:03,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 14:59:03,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:03,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 14:59:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:59:03,052 INFO L87 Difference]: Start difference. First operand 229 states and 341 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:04,139 INFO L93 Difference]: Finished difference Result 579 states and 900 transitions. [2024-11-08 14:59:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 14:59:04,140 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-08 14:59:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:04,143 INFO L225 Difference]: With dead ends: 579 [2024-11-08 14:59:04,143 INFO L226 Difference]: Without dead ends: 369 [2024-11-08 14:59:04,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-08 14:59:04,146 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 540 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:04,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 782 Invalid, 1969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:59:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-08 14:59:04,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 231. [2024-11-08 14:59:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 183 states have (on average 1.530054644808743) internal successors, (280), 187 states have internal predecessors, (280), 31 states have call successors, (31), 14 states have call predecessors, (31), 16 states have return successors, (33), 29 states have call predecessors, (33), 30 states have call successors, (33) [2024-11-08 14:59:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 344 transitions. [2024-11-08 14:59:04,168 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 344 transitions. Word has length 86 [2024-11-08 14:59:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:04,169 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 344 transitions. [2024-11-08 14:59:04,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 344 transitions. [2024-11-08 14:59:04,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 14:59:04,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:04,170 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:59:04,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 14:59:04,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:04,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:04,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1107508456, now seen corresponding path program 1 times [2024-11-08 14:59:04,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786373560] [2024-11-08 14:59:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 14:59:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 14:59:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:59:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:59:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:59:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:59:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:04,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:04,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786373560] [2024-11-08 14:59:04,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786373560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:04,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643162112] [2024-11-08 14:59:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:04,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:04,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:04,284 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) [2024-11-08 14:59:04,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 14:59:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:59:04,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:04,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 14:59:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:04,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643162112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 14:59:04,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 14:59:04,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2024-11-08 14:59:04,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017704370] [2024-11-08 14:59:04,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 14:59:04,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 14:59:04,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:04,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 14:59:04,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:04,543 INFO L87 Difference]: Start difference. First operand 231 states and 344 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 7 states have internal predecessors, (87), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:59:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:05,481 INFO L93 Difference]: Finished difference Result 684 states and 1091 transitions. [2024-11-08 14:59:05,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:59:05,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 7 states have internal predecessors, (87), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 87 [2024-11-08 14:59:05,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:05,484 INFO L225 Difference]: With dead ends: 684 [2024-11-08 14:59:05,484 INFO L226 Difference]: Without dead ends: 552 [2024-11-08 14:59:05,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-08 14:59:05,485 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 918 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:05,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 942 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 14:59:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-08 14:59:05,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 390. [2024-11-08 14:59:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 333 states have (on average 1.6516516516516517) internal successors, (550), 337 states have internal predecessors, (550), 40 states have call successors, (40), 14 states have call predecessors, (40), 16 states have return successors, (42), 38 states have call predecessors, (42), 39 states have call successors, (42) [2024-11-08 14:59:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 632 transitions. [2024-11-08 14:59:05,503 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 632 transitions. Word has length 87 [2024-11-08 14:59:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:05,503 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 632 transitions. [2024-11-08 14:59:05,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 7 states have internal predecessors, (87), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:59:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 632 transitions. [2024-11-08 14:59:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 14:59:05,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:05,504 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:05,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 14:59:05,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:05,705 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:05,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:05,705 INFO L85 PathProgramCache]: Analyzing trace with hash 53577619, now seen corresponding path program 1 times [2024-11-08 14:59:05,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:05,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26528886] [2024-11-08 14:59:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:05,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 14:59:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 14:59:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:59:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:59:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:59:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:05,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:05,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26528886] [2024-11-08 14:59:05,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26528886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:05,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:05,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:05,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169777701] [2024-11-08 14:59:05,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:05,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:05,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:05,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:05,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:05,770 INFO L87 Difference]: Start difference. First operand 390 states and 632 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:06,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:06,561 INFO L93 Difference]: Finished difference Result 1056 states and 1763 transitions. [2024-11-08 14:59:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:06,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2024-11-08 14:59:06,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:06,565 INFO L225 Difference]: With dead ends: 1056 [2024-11-08 14:59:06,566 INFO L226 Difference]: Without dead ends: 694 [2024-11-08 14:59:06,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:06,567 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 634 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:06,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 556 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:06,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-08 14:59:06,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 548. [2024-11-08 14:59:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 482 states have (on average 1.6867219917012448) internal successors, (813), 486 states have internal predecessors, (813), 49 states have call successors, (49), 14 states have call predecessors, (49), 16 states have return successors, (51), 47 states have call predecessors, (51), 48 states have call successors, (51) [2024-11-08 14:59:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 913 transitions. [2024-11-08 14:59:06,598 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 913 transitions. Word has length 94 [2024-11-08 14:59:06,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:06,598 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 913 transitions. [2024-11-08 14:59:06,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 913 transitions. [2024-11-08 14:59:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 14:59:06,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:06,600 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:06,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 14:59:06,600 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:06,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:06,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1247240784, now seen corresponding path program 1 times [2024-11-08 14:59:06,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:06,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592887105] [2024-11-08 14:59:06,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:06,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 14:59:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 14:59:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:59:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:59:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:59:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 14:59:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:06,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:06,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592887105] [2024-11-08 14:59:06,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592887105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:06,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:06,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:06,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819926903] [2024-11-08 14:59:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:06,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:06,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:06,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:06,667 INFO L87 Difference]: Start difference. First operand 548 states and 913 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:07,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:07,474 INFO L93 Difference]: Finished difference Result 1433 states and 2441 transitions. [2024-11-08 14:59:07,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:07,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 95 [2024-11-08 14:59:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:07,481 INFO L225 Difference]: With dead ends: 1433 [2024-11-08 14:59:07,481 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 14:59:07,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:07,483 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 638 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:07,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 570 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 14:59:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 785. [2024-11-08 14:59:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 704 states have (on average 1.7116477272727273) internal successors, (1205), 708 states have internal predecessors, (1205), 64 states have call successors, (64), 14 states have call predecessors, (64), 16 states have return successors, (66), 62 states have call predecessors, (66), 63 states have call successors, (66) [2024-11-08 14:59:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1335 transitions. [2024-11-08 14:59:07,519 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1335 transitions. Word has length 95 [2024-11-08 14:59:07,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:07,519 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1335 transitions. [2024-11-08 14:59:07,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1335 transitions. [2024-11-08 14:59:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 14:59:07,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:07,521 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:07,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 14:59:07,521 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:07,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:07,522 INFO L85 PathProgramCache]: Analyzing trace with hash 827177237, now seen corresponding path program 1 times [2024-11-08 14:59:07,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:07,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797236057] [2024-11-08 14:59:07,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:07,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 14:59:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:59:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:59:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:59:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:59:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:07,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:07,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797236057] [2024-11-08 14:59:07,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797236057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:07,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:07,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:07,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95823753] [2024-11-08 14:59:07,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:07,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:07,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:07,604 INFO L87 Difference]: Start difference. First operand 785 states and 1335 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:08,383 INFO L93 Difference]: Finished difference Result 2054 states and 3545 transitions. [2024-11-08 14:59:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:08,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 96 [2024-11-08 14:59:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:08,390 INFO L225 Difference]: With dead ends: 2054 [2024-11-08 14:59:08,390 INFO L226 Difference]: Without dead ends: 1334 [2024-11-08 14:59:08,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:08,393 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 635 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:08,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 552 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:08,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-11-08 14:59:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1188. [2024-11-08 14:59:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1083 states have (on average 1.7202216066481995) internal successors, (1863), 1087 states have internal predecessors, (1863), 88 states have call successors, (88), 14 states have call predecessors, (88), 16 states have return successors, (90), 86 states have call predecessors, (90), 87 states have call successors, (90) [2024-11-08 14:59:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 2041 transitions. [2024-11-08 14:59:08,424 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 2041 transitions. Word has length 96 [2024-11-08 14:59:08,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:08,424 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 2041 transitions. [2024-11-08 14:59:08,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2041 transitions. [2024-11-08 14:59:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 14:59:08,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:08,428 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:08,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 14:59:08,429 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:08,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1403867838, now seen corresponding path program 1 times [2024-11-08 14:59:08,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:08,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610490506] [2024-11-08 14:59:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 14:59:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:59:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:59:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:59:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:59:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:59:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:08,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:08,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610490506] [2024-11-08 14:59:08,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610490506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:08,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:08,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:08,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383734194] [2024-11-08 14:59:08,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:08,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:08,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:08,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:08,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:08,503 INFO L87 Difference]: Start difference. First operand 1188 states and 2041 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:09,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:09,253 INFO L93 Difference]: Finished difference Result 3059 states and 5316 transitions. [2024-11-08 14:59:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:09,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 97 [2024-11-08 14:59:09,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:09,261 INFO L225 Difference]: With dead ends: 3059 [2024-11-08 14:59:09,261 INFO L226 Difference]: Without dead ends: 1984 [2024-11-08 14:59:09,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:09,264 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 629 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:09,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 552 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:09,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2024-11-08 14:59:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1838. [2024-11-08 14:59:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1694 states have (on average 1.7207792207792207) internal successors, (2915), 1698 states have internal predecessors, (2915), 127 states have call successors, (127), 14 states have call predecessors, (127), 16 states have return successors, (129), 125 states have call predecessors, (129), 126 states have call successors, (129) [2024-11-08 14:59:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 3171 transitions. [2024-11-08 14:59:09,326 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 3171 transitions. Word has length 97 [2024-11-08 14:59:09,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:09,326 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 3171 transitions. [2024-11-08 14:59:09,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 3171 transitions. [2024-11-08 14:59:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 14:59:09,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:09,332 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:09,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 14:59:09,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:09,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash 990625047, now seen corresponding path program 1 times [2024-11-08 14:59:09,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:09,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652175666] [2024-11-08 14:59:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:09,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 14:59:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 14:59:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:59:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:59:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:59:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:59:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:09,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:09,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652175666] [2024-11-08 14:59:09,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652175666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:09,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:09,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:09,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971608098] [2024-11-08 14:59:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:09,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:09,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:09,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:09,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:09,412 INFO L87 Difference]: Start difference. First operand 1838 states and 3171 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:10,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:10,130 INFO L93 Difference]: Finished difference Result 4714 states and 8216 transitions. [2024-11-08 14:59:10,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:10,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-08 14:59:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:10,141 INFO L225 Difference]: With dead ends: 4714 [2024-11-08 14:59:10,141 INFO L226 Difference]: Without dead ends: 3069 [2024-11-08 14:59:10,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:10,144 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 631 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:10,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 574 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 14:59:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2024-11-08 14:59:10,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2923. [2024-11-08 14:59:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2713 states have (on average 1.7176557316623664) internal successors, (4660), 2717 states have internal predecessors, (4660), 193 states have call successors, (193), 14 states have call predecessors, (193), 16 states have return successors, (195), 191 states have call predecessors, (195), 192 states have call successors, (195) [2024-11-08 14:59:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 5048 transitions. [2024-11-08 14:59:10,213 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 5048 transitions. Word has length 98 [2024-11-08 14:59:10,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:10,213 INFO L471 AbstractCegarLoop]: Abstraction has 2923 states and 5048 transitions. [2024-11-08 14:59:10,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 5048 transitions. [2024-11-08 14:59:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 14:59:10,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:10,220 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:10,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 14:59:10,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:10,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:10,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1327158592, now seen corresponding path program 1 times [2024-11-08 14:59:10,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:10,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333845582] [2024-11-08 14:59:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 14:59:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 14:59:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:59:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:59:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:59:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:10,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:10,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333845582] [2024-11-08 14:59:10,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333845582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:10,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:10,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:10,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44635152] [2024-11-08 14:59:10,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:10,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:10,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:10,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:10,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:10,292 INFO L87 Difference]: Start difference. First operand 2923 states and 5048 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:11,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:11,130 INFO L93 Difference]: Finished difference Result 7294 states and 12756 transitions. [2024-11-08 14:59:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:11,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2024-11-08 14:59:11,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:11,148 INFO L225 Difference]: With dead ends: 7294 [2024-11-08 14:59:11,148 INFO L226 Difference]: Without dead ends: 4764 [2024-11-08 14:59:11,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:11,153 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 624 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:11,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 544 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4764 states. [2024-11-08 14:59:11,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4764 to 4618. [2024-11-08 14:59:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4618 states, 4291 states have (on average 1.718247494756467) internal successors, (7373), 4295 states have internal predecessors, (7373), 310 states have call successors, (310), 14 states have call predecessors, (310), 16 states have return successors, (312), 308 states have call predecessors, (312), 309 states have call successors, (312) [2024-11-08 14:59:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4618 states to 4618 states and 7995 transitions. [2024-11-08 14:59:11,255 INFO L78 Accepts]: Start accepts. Automaton has 4618 states and 7995 transitions. Word has length 99 [2024-11-08 14:59:11,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:11,255 INFO L471 AbstractCegarLoop]: Abstraction has 4618 states and 7995 transitions. [2024-11-08 14:59:11,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4618 states and 7995 transitions. [2024-11-08 14:59:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 14:59:11,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:11,266 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:11,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 14:59:11,266 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:11,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:11,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1153535719, now seen corresponding path program 1 times [2024-11-08 14:59:11,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:11,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848937904] [2024-11-08 14:59:11,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:11,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 14:59:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 14:59:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:59:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:59:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 14:59:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:11,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:11,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848937904] [2024-11-08 14:59:11,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848937904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:11,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:11,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:11,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767672477] [2024-11-08 14:59:11,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:11,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:11,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:11,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:11,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:11,349 INFO L87 Difference]: Start difference. First operand 4618 states and 7995 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:12,083 INFO L93 Difference]: Finished difference Result 12081 states and 21119 transitions. [2024-11-08 14:59:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:12,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2024-11-08 14:59:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:12,109 INFO L225 Difference]: With dead ends: 12081 [2024-11-08 14:59:12,109 INFO L226 Difference]: Without dead ends: 8024 [2024-11-08 14:59:12,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:12,117 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 625 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:12,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 576 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 14:59:12,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8024 states. [2024-11-08 14:59:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8024 to 7878. [2024-11-08 14:59:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7878 states, 7335 states have (on average 1.713019768234492) internal successors, (12565), 7339 states have internal predecessors, (12565), 526 states have call successors, (526), 14 states have call predecessors, (526), 16 states have return successors, (528), 524 states have call predecessors, (528), 525 states have call successors, (528) [2024-11-08 14:59:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 13619 transitions. [2024-11-08 14:59:12,296 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 13619 transitions. Word has length 100 [2024-11-08 14:59:12,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:12,296 INFO L471 AbstractCegarLoop]: Abstraction has 7878 states and 13619 transitions. [2024-11-08 14:59:12,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 13619 transitions. [2024-11-08 14:59:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 14:59:12,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:12,312 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:12,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 14:59:12,312 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:12,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:12,312 INFO L85 PathProgramCache]: Analyzing trace with hash 288373842, now seen corresponding path program 1 times [2024-11-08 14:59:12,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:12,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238251678] [2024-11-08 14:59:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:12,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:59:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:59:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 14:59:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:59:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:59:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:59:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:12,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:12,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238251678] [2024-11-08 14:59:12,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238251678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:12,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:12,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:12,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862276809] [2024-11-08 14:59:12,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:12,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:12,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:12,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:12,382 INFO L87 Difference]: Start difference. First operand 7878 states and 13619 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:13,175 INFO L93 Difference]: Finished difference Result 18176 states and 31406 transitions. [2024-11-08 14:59:13,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:13,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 101 [2024-11-08 14:59:13,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:13,213 INFO L225 Difference]: With dead ends: 18176 [2024-11-08 14:59:13,213 INFO L226 Difference]: Without dead ends: 11635 [2024-11-08 14:59:13,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:13,224 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 625 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:13,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 525 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 14:59:13,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11635 states. [2024-11-08 14:59:13,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11635 to 11489. [2024-11-08 14:59:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11489 states, 10946 states have (on average 1.6890188196601499) internal successors, (18488), 10950 states have internal predecessors, (18488), 526 states have call successors, (526), 14 states have call predecessors, (526), 16 states have return successors, (528), 524 states have call predecessors, (528), 525 states have call successors, (528) [2024-11-08 14:59:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11489 states to 11489 states and 19542 transitions. [2024-11-08 14:59:13,537 INFO L78 Accepts]: Start accepts. Automaton has 11489 states and 19542 transitions. Word has length 101 [2024-11-08 14:59:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:13,538 INFO L471 AbstractCegarLoop]: Abstraction has 11489 states and 19542 transitions. [2024-11-08 14:59:13,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 11489 states and 19542 transitions. [2024-11-08 14:59:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 14:59:13,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:13,556 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:13,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 14:59:13,556 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:13,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:13,556 INFO L85 PathProgramCache]: Analyzing trace with hash -464922725, now seen corresponding path program 1 times [2024-11-08 14:59:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:13,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129352829] [2024-11-08 14:59:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:59:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:59:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:59:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:59:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:59:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:59:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:13,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129352829] [2024-11-08 14:59:13,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129352829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:13,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:13,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:13,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191816478] [2024-11-08 14:59:13,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:13,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:13,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:13,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:13,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:13,635 INFO L87 Difference]: Start difference. First operand 11489 states and 19542 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:14,461 INFO L93 Difference]: Finished difference Result 30726 states and 52542 transitions. [2024-11-08 14:59:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:14,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2024-11-08 14:59:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:14,504 INFO L225 Difference]: With dead ends: 30726 [2024-11-08 14:59:14,504 INFO L226 Difference]: Without dead ends: 20897 [2024-11-08 14:59:14,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:14,516 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 624 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:14,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 551 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 14:59:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20897 states. [2024-11-08 14:59:14,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20897 to 20751. [2024-11-08 14:59:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20751 states, 19797 states have (on average 1.677829974238521) internal successors, (33216), 19801 states have internal predecessors, (33216), 937 states have call successors, (937), 14 states have call predecessors, (937), 16 states have return successors, (939), 935 states have call predecessors, (939), 936 states have call successors, (939) [2024-11-08 14:59:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20751 states to 20751 states and 35092 transitions. [2024-11-08 14:59:14,989 INFO L78 Accepts]: Start accepts. Automaton has 20751 states and 35092 transitions. Word has length 102 [2024-11-08 14:59:14,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:14,990 INFO L471 AbstractCegarLoop]: Abstraction has 20751 states and 35092 transitions. [2024-11-08 14:59:14,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 20751 states and 35092 transitions. [2024-11-08 14:59:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 14:59:15,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:15,012 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 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] [2024-11-08 14:59:15,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 14:59:15,012 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:15,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:15,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1147279506, now seen corresponding path program 2 times [2024-11-08 14:59:15,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:15,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986677456] [2024-11-08 14:59:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:59:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:59:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:59:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:59:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:59:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:59:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:59:15,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:15,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986677456] [2024-11-08 14:59:15,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986677456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:15,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:15,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:15,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114343599] [2024-11-08 14:59:15,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:15,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:15,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:15,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:15,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:15,184 INFO L87 Difference]: Start difference. First operand 20751 states and 35092 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:16,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:16,229 INFO L93 Difference]: Finished difference Result 39348 states and 66753 transitions. [2024-11-08 14:59:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:16,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2024-11-08 14:59:16,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:16,279 INFO L225 Difference]: With dead ends: 39348 [2024-11-08 14:59:16,279 INFO L226 Difference]: Without dead ends: 20897 [2024-11-08 14:59:16,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:16,308 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 639 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:16,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 911 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20897 states. [2024-11-08 14:59:16,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20897 to 20751. [2024-11-08 14:59:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20751 states, 19797 states have (on average 1.6643935949891397) internal successors, (32950), 19801 states have internal predecessors, (32950), 937 states have call successors, (937), 14 states have call predecessors, (937), 16 states have return successors, (939), 935 states have call predecessors, (939), 936 states have call successors, (939) [2024-11-08 14:59:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20751 states to 20751 states and 34826 transitions. [2024-11-08 14:59:16,830 INFO L78 Accepts]: Start accepts. Automaton has 20751 states and 34826 transitions. Word has length 102 [2024-11-08 14:59:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:16,830 INFO L471 AbstractCegarLoop]: Abstraction has 20751 states and 34826 transitions. [2024-11-08 14:59:16,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 20751 states and 34826 transitions. [2024-11-08 14:59:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 14:59:16,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:16,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:16,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 14:59:16,852 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:16,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:16,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1088046568, now seen corresponding path program 1 times [2024-11-08 14:59:16,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:16,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043094174] [2024-11-08 14:59:16,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:16,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 14:59:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:59:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:59:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:59:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:59:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:59:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:16,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:16,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043094174] [2024-11-08 14:59:16,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043094174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:16,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:16,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:16,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717243249] [2024-11-08 14:59:16,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:16,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:16,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:16,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:16,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:16,912 INFO L87 Difference]: Start difference. First operand 20751 states and 34826 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:17,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:17,895 INFO L93 Difference]: Finished difference Result 57223 states and 96314 transitions. [2024-11-08 14:59:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:17,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2024-11-08 14:59:17,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:17,982 INFO L225 Difference]: With dead ends: 57223 [2024-11-08 14:59:17,982 INFO L226 Difference]: Without dead ends: 38676 [2024-11-08 14:59:18,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:18,007 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 618 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:18,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 552 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 14:59:18,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38676 states. [2024-11-08 14:59:18,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38676 to 38530. [2024-11-08 14:59:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38530 states, 36778 states have (on average 1.6499265865463049) internal successors, (60681), 36782 states have internal predecessors, (60681), 1735 states have call successors, (1735), 14 states have call predecessors, (1735), 16 states have return successors, (1737), 1733 states have call predecessors, (1737), 1734 states have call successors, (1737) [2024-11-08 14:59:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38530 states to 38530 states and 64153 transitions. [2024-11-08 14:59:19,057 INFO L78 Accepts]: Start accepts. Automaton has 38530 states and 64153 transitions. Word has length 103 [2024-11-08 14:59:19,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:19,058 INFO L471 AbstractCegarLoop]: Abstraction has 38530 states and 64153 transitions. [2024-11-08 14:59:19,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38530 states and 64153 transitions. [2024-11-08 14:59:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 14:59:19,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:19,079 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:19,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 14:59:19,080 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:19,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:19,080 INFO L85 PathProgramCache]: Analyzing trace with hash 477402909, now seen corresponding path program 1 times [2024-11-08 14:59:19,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:19,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005215742] [2024-11-08 14:59:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:19,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 14:59:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:59:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:59:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:59:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:59:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:59:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:19,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:19,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005215742] [2024-11-08 14:59:19,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005215742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:19,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:19,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:59:19,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514014618] [2024-11-08 14:59:19,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:19,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:59:19,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:19,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:59:19,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:59:19,149 INFO L87 Difference]: Start difference. First operand 38530 states and 64153 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:20,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:20,599 INFO L93 Difference]: Finished difference Result 73266 states and 121928 transitions. [2024-11-08 14:59:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:59:20,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 104 [2024-11-08 14:59:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:20,761 INFO L225 Difference]: With dead ends: 73266 [2024-11-08 14:59:20,761 INFO L226 Difference]: Without dead ends: 73134 [2024-11-08 14:59:20,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:59:20,784 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 616 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:20,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 558 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 14:59:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73134 states. [2024-11-08 14:59:22,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73134 to 72988. [2024-11-08 14:59:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72988 states, 69667 states have (on average 1.6333988832589317) internal successors, (113794), 69671 states have internal predecessors, (113794), 3304 states have call successors, (3304), 14 states have call predecessors, (3304), 16 states have return successors, (3306), 3302 states have call predecessors, (3306), 3303 states have call successors, (3306) [2024-11-08 14:59:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72988 states to 72988 states and 120404 transitions. [2024-11-08 14:59:22,452 INFO L78 Accepts]: Start accepts. Automaton has 72988 states and 120404 transitions. Word has length 104 [2024-11-08 14:59:22,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:22,453 INFO L471 AbstractCegarLoop]: Abstraction has 72988 states and 120404 transitions. [2024-11-08 14:59:22,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 72988 states and 120404 transitions. [2024-11-08 14:59:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 14:59:22,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:22,837 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:22,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 14:59:22,838 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:22,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:22,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1028364650, now seen corresponding path program 1 times [2024-11-08 14:59:22,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:22,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919969900] [2024-11-08 14:59:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:59:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:59:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 14:59:23,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:23,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919969900] [2024-11-08 14:59:23,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919969900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:23,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687203973] [2024-11-08 14:59:23,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:23,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:23,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:23,176 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) [2024-11-08 14:59:23,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 14:59:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:23,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 14:59:23,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 14:59:23,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:23,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687203973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:23,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:23,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 28 [2024-11-08 14:59:23,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002987407] [2024-11-08 14:59:23,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:23,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:59:23,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:23,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:59:23,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2024-11-08 14:59:23,841 INFO L87 Difference]: Start difference. First operand 72988 states and 120404 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-08 14:59:24,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:24,941 INFO L93 Difference]: Finished difference Result 73266 states and 120806 transitions. [2024-11-08 14:59:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 14:59:24,942 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) Word has length 105 [2024-11-08 14:59:24,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:25,130 INFO L225 Difference]: With dead ends: 73266 [2024-11-08 14:59:25,130 INFO L226 Difference]: Without dead ends: 73140 [2024-11-08 14:59:25,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=1384, Unknown=0, NotChecked=0, Total=1560 [2024-11-08 14:59:25,146 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 552 mSDsluCounter, 3127 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 3490 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:25,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 3490 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 14:59:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73140 states. [2024-11-08 14:59:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73140 to 73125. [2024-11-08 14:59:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73125 states, 69769 states have (on average 1.6330461953016382) internal successors, (113936), 69774 states have internal predecessors, (113936), 3326 states have call successors, (3326), 25 states have call predecessors, (3326), 29 states have return successors, (3342), 3325 states have call predecessors, (3342), 3324 states have call successors, (3342) [2024-11-08 14:59:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73125 states to 73125 states and 120604 transitions. [2024-11-08 14:59:26,629 INFO L78 Accepts]: Start accepts. Automaton has 73125 states and 120604 transitions. Word has length 105 [2024-11-08 14:59:26,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:26,630 INFO L471 AbstractCegarLoop]: Abstraction has 73125 states and 120604 transitions. [2024-11-08 14:59:26,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-08 14:59:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 73125 states and 120604 transitions. [2024-11-08 14:59:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 14:59:26,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:26,662 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:26,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 14:59:26,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:26,867 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:26,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:26,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1944126543, now seen corresponding path program 1 times [2024-11-08 14:59:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:26,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830592813] [2024-11-08 14:59:26,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:26,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:26,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:26,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:26,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:59:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:27,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:59:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:27,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830592813] [2024-11-08 14:59:27,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830592813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:27,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:27,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 14:59:27,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414551601] [2024-11-08 14:59:27,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:27,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 14:59:27,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:27,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 14:59:27,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:59:27,032 INFO L87 Difference]: Start difference. First operand 73125 states and 120604 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:29,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:29,860 INFO L93 Difference]: Finished difference Result 144249 states and 238176 transitions. [2024-11-08 14:59:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 14:59:29,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 106 [2024-11-08 14:59:29,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:30,251 INFO L225 Difference]: With dead ends: 144249 [2024-11-08 14:59:30,251 INFO L226 Difference]: Without dead ends: 143995 [2024-11-08 14:59:30,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2024-11-08 14:59:30,283 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 1438 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:30,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 777 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 14:59:30,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143995 states. [2024-11-08 14:59:32,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143995 to 143529. [2024-11-08 14:59:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143529 states, 136936 states have (on average 1.6344350645557049) internal successors, (223813), 136947 states have internal predecessors, (223813), 6531 states have call successors, (6531), 48 states have call predecessors, (6531), 61 states have return successors, (6592), 6533 states have call predecessors, (6592), 6527 states have call successors, (6592) [2024-11-08 14:59:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143529 states to 143529 states and 236936 transitions. [2024-11-08 14:59:33,781 INFO L78 Accepts]: Start accepts. Automaton has 143529 states and 236936 transitions. Word has length 106 [2024-11-08 14:59:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:33,782 INFO L471 AbstractCegarLoop]: Abstraction has 143529 states and 236936 transitions. [2024-11-08 14:59:33,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 14:59:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 143529 states and 236936 transitions. [2024-11-08 14:59:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 14:59:33,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:33,827 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:33,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 14:59:33,828 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:33,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:33,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2084552490, now seen corresponding path program 1 times [2024-11-08 14:59:33,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:33,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780811075] [2024-11-08 14:59:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:59:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:34,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:59:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:34,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:34,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780811075] [2024-11-08 14:59:34,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780811075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:34,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:34,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 14:59:34,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696256261] [2024-11-08 14:59:34,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:34,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 14:59:34,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:34,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 14:59:34,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:59:34,022 INFO L87 Difference]: Start difference. First operand 143529 states and 236936 transitions. Second operand has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 10 states have internal predecessors, (77), 7 states have call successors, (12), 6 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-08 14:59:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:37,880 INFO L93 Difference]: Finished difference Result 145311 states and 240013 transitions. [2024-11-08 14:59:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 14:59:37,880 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 10 states have internal predecessors, (77), 7 states have call successors, (12), 6 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 106 [2024-11-08 14:59:37,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:38,277 INFO L225 Difference]: With dead ends: 145311 [2024-11-08 14:59:38,278 INFO L226 Difference]: Without dead ends: 144699 [2024-11-08 14:59:38,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=1862, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 14:59:38,309 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 866 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 4462 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 4842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 4462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:38,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 1595 Invalid, 4842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 4462 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 14:59:38,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144699 states. [2024-11-08 14:59:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144699 to 143849. [2024-11-08 14:59:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143849 states, 137156 states have (on average 1.6339277902534342) internal successors, (224103), 137173 states have internal predecessors, (224103), 6623 states have call successors, (6623), 56 states have call predecessors, (6623), 69 states have return successors, (6722), 6619 states have call predecessors, (6722), 6611 states have call successors, (6722) [2024-11-08 14:59:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143849 states to 143849 states and 237448 transitions. [2024-11-08 14:59:41,554 INFO L78 Accepts]: Start accepts. Automaton has 143849 states and 237448 transitions. Word has length 106 [2024-11-08 14:59:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:41,554 INFO L471 AbstractCegarLoop]: Abstraction has 143849 states and 237448 transitions. [2024-11-08 14:59:41,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 10 states have internal predecessors, (77), 7 states have call successors, (12), 6 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-08 14:59:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 143849 states and 237448 transitions. [2024-11-08 14:59:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 14:59:41,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:41,600 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-08 14:59:41,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 14:59:41,600 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:41,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:41,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1959436323, now seen corresponding path program 1 times [2024-11-08 14:59:41,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:41,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393558667] [2024-11-08 14:59:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:41,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:59:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:59:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 14:59:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:59:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:41,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:41,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393558667] [2024-11-08 14:59:41,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393558667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:41,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:41,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 14:59:41,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843078479] [2024-11-08 14:59:41,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:41,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 14:59:41,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:41,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 14:59:41,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:59:41,696 INFO L87 Difference]: Start difference. First operand 143849 states and 237448 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:44,248 INFO L93 Difference]: Finished difference Result 145131 states and 239577 transitions. [2024-11-08 14:59:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 14:59:44,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 106 [2024-11-08 14:59:44,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:44,570 INFO L225 Difference]: With dead ends: 145131 [2024-11-08 14:59:44,570 INFO L226 Difference]: Without dead ends: 144615 [2024-11-08 14:59:44,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2024-11-08 14:59:44,603 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 569 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:44,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 789 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 14:59:44,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144615 states. [2024-11-08 14:59:47,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144615 to 143807. [2024-11-08 14:59:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143807 states, 137136 states have (on average 1.6340056586162641) internal successors, (224081), 137151 states have internal predecessors, (224081), 6603 states have call successors, (6603), 54 states have call predecessors, (6603), 67 states have return successors, (6682), 6601 states have call predecessors, (6682), 6591 states have call successors, (6682) [2024-11-08 14:59:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143807 states to 143807 states and 237366 transitions. [2024-11-08 14:59:47,723 INFO L78 Accepts]: Start accepts. Automaton has 143807 states and 237366 transitions. Word has length 106 [2024-11-08 14:59:47,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:47,723 INFO L471 AbstractCegarLoop]: Abstraction has 143807 states and 237366 transitions. [2024-11-08 14:59:47,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 14:59:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 143807 states and 237366 transitions. [2024-11-08 14:59:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 14:59:47,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:47,770 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:47,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 14:59:47,770 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:47,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1773521521, now seen corresponding path program 1 times [2024-11-08 14:59:47,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:47,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015176694] [2024-11-08 14:59:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 14:59:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:59:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:59:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:47,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:59:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:59:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 14:59:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:48,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015176694] [2024-11-08 14:59:48,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015176694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:48,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:48,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 14:59:48,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677623108] [2024-11-08 14:59:48,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:48,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 14:59:48,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:48,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 14:59:48,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:59:48,015 INFO L87 Difference]: Start difference. First operand 143807 states and 237366 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 10 states have internal predecessors, (78), 5 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-08 14:59:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:52,122 INFO L93 Difference]: Finished difference Result 145431 states and 240009 transitions. [2024-11-08 14:59:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 14:59:52,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 10 states have internal predecessors, (78), 5 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) Word has length 107 [2024-11-08 14:59:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:52,415 INFO L225 Difference]: With dead ends: 145431 [2024-11-08 14:59:52,416 INFO L226 Difference]: Without dead ends: 144593 [2024-11-08 14:59:52,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=417, Invalid=1745, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 14:59:52,446 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 1489 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 3989 mSolverCounterSat, 563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 4552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 3989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:52,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 1420 Invalid, 4552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 3989 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 14:59:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144593 states.