./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_spec3_product32.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 f844ee25e08c400ffe9294b51b3c9849047d932ed3d2e45badb4ba2d0884ce06 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:42:57,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:42:57,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:42:57,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:42:57,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:42:57,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:42:57,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:42:57,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:42:57,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:42:57,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:42:57,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:42:57,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:42:57,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:42:57,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:42:57,231 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:42:57,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:42:57,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:42:57,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:42:57,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:42:57,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:42:57,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:42:57,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:42:57,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:42:57,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:42:57,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:42:57,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:42:57,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:42:57,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:42:57,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:42:57,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:42:57,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:42:57,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:42:57,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:42:57,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:42:57,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:42:57,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:42:57,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:42:57,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:42:57,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:42:57,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:42:57,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:42:57,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:42:57,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f844ee25e08c400ffe9294b51b3c9849047d932ed3d2e45badb4ba2d0884ce06 [2024-11-11 20:42:57,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:42:57,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:42:57,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:42:57,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:42:57,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:42:57,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product32.cil.c [2024-11-11 20:42:58,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:42:59,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:42:59,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product32.cil.c [2024-11-11 20:42:59,285 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e90d03c/815ebf09dd4942dea97bf2a0518834e0/FLAG66f0da9d6 [2024-11-11 20:42:59,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e90d03c/815ebf09dd4942dea97bf2a0518834e0 [2024-11-11 20:42:59,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:42:59,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:42:59,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:42:59,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:42:59,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:42:59,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:42:59" (1/1) ... [2024-11-11 20:42:59,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49678044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:42:59, skipping insertion in model container [2024-11-11 20:42:59,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:42:59" (1/1) ... [2024-11-11 20:42:59,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:42:59,563 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_spec3_product32.cil.c[1542,1555] [2024-11-11 20:43:00,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:43:00,062 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:43:00,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-11 20:43:00,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [57] [2024-11-11 20:43:00,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [106] [2024-11-11 20:43:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [541] [2024-11-11 20:43:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [558] [2024-11-11 20:43:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [787] [2024-11-11 20:43:00,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [845] [2024-11-11 20:43:00,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1917] [2024-11-11 20:43:00,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2205] [2024-11-11 20:43:00,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2343] [2024-11-11 20:43:00,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2740] [2024-11-11 20:43:00,084 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_spec3_product32.cil.c[1542,1555] [2024-11-11 20:43:00,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:43:00,245 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:43:00,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00 WrapperNode [2024-11-11 20:43:00,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:43:00,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:43:00,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:43:00,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:43:00,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,331 INFO L138 Inliner]: procedures = 135, calls = 226, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 1017 [2024-11-11 20:43:00,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:43:00,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:43:00,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:43:00,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:43:00,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,396 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-11 20:43:00,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:43:00,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:43:00,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:43:00,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:43:00,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (1/1) ... [2024-11-11 20:43:00,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:43:00,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:00,497 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) [2024-11-11 20:43:00,500 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 [2024-11-11 20:43:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-11 20:43:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-11 20:43:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-11 20:43:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-11 20:43:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-11 20:43:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-11 20:43:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-11 20:43:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-11 20:43:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-11 20:43:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-11 20:43:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-11 20:43:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-11 20:43:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-11 20:43:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-11 20:43:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-11 20:43:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-11 20:43:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-11 20:43:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-11 20:43:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-11 20:43:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-11 20:43:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-11 20:43:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-11 20:43:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-11 20:43:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-11 20:43:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-11 20:43:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-11 20:43:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-11 20:43:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-11 20:43:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-11 20:43:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-11 20:43:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:43:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-11 20:43:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-11 20:43:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-11 20:43:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-11 20:43:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-11 20:43:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-11 20:43:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-11 20:43:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-11 20:43:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-11 20:43:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-11 20:43:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-11 20:43:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-11 20:43:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-11 20:43:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-11 20:43:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-11 20:43:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-11 20:43:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-11 20:43:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-11 20:43:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-11 20:43:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-11 20:43:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-11 20:43:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-11 20:43:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-11 20:43:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-11 20:43:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:43:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 20:43:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 20:43:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 20:43:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-11 20:43:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-11 20:43:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-11 20:43:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-11 20:43:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:43:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:43:00,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:43:00,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:43:01,848 INFO L? ?]: Removed 543 outVars from TransFormulas that were not future-live. [2024-11-11 20:43:01,849 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:43:01,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:43:01,885 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 20:43:01,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:43:01 BoogieIcfgContainer [2024-11-11 20:43:01,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:43:01,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:43:01,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:43:01,891 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:43:01,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:42:59" (1/3) ... [2024-11-11 20:43:01,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a2e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:43:01, skipping insertion in model container [2024-11-11 20:43:01,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:43:00" (2/3) ... [2024-11-11 20:43:01,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a2e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:43:01, skipping insertion in model container [2024-11-11 20:43:01,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:43:01" (3/3) ... [2024-11-11 20:43:01,895 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product32.cil.c [2024-11-11 20:43:01,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:43:01,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:43:02,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:43:02,006 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;@716e4a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:43:02,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:43:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 335 states have (on average 1.5462686567164179) internal successors, (518), 342 states have internal predecessors, (518), 70 states have call successors, (70), 29 states have call predecessors, (70), 29 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-11 20:43:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-11 20:43:02,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:02,042 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:02,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:02,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2090905474, now seen corresponding path program 1 times [2024-11-11 20:43:02,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583951352] [2024-11-11 20:43:02,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:43:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:43:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:43:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 20:43:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 20:43:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:43:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:43:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:43:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:43:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:43:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:43:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:43:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:43:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:43:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-11 20:43:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-11 20:43:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 20:43:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 20:43:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-11 20:43:03,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:03,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583951352] [2024-11-11 20:43:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583951352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:43:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486957550] [2024-11-11 20:43:03,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:03,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:03,049 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) [2024-11-11 20:43:03,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 20:43:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:03,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-11 20:43:03,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:43:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-11 20:43:03,516 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:43:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486957550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:03,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:43:03,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-11 20:43:03,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374063351] [2024-11-11 20:43:03,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:03,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:43:03,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:03,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:43:03,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:43:03,562 INFO L87 Difference]: Start difference. First operand has 436 states, 335 states have (on average 1.5462686567164179) internal successors, (518), 342 states have internal predecessors, (518), 70 states have call successors, (70), 29 states have call predecessors, (70), 29 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:03,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:03,662 INFO L93 Difference]: Finished difference Result 678 states and 1006 transitions. [2024-11-11 20:43:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:43:03,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 158 [2024-11-11 20:43:03,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:03,688 INFO L225 Difference]: With dead ends: 678 [2024-11-11 20:43:03,688 INFO L226 Difference]: Without dead ends: 428 [2024-11-11 20:43:03,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:43:03,701 INFO L435 NwaCegarLoop]: 652 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, 652 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 [2024-11-11 20:43:03,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:43:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-11 20:43:03,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-11-11 20:43:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 329 states have (on average 1.541033434650456) internal successors, (507), 334 states have internal predecessors, (507), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-11 20:43:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 644 transitions. [2024-11-11 20:43:03,792 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 644 transitions. Word has length 158 [2024-11-11 20:43:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:03,793 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 644 transitions. [2024-11-11 20:43:03,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 644 transitions. [2024-11-11 20:43:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-11 20:43:03,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:03,799 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:03,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-11 20:43:04,000 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 [2024-11-11 20:43:04,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:04,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:04,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1214452620, now seen corresponding path program 1 times [2024-11-11 20:43:04,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:04,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810203428] [2024-11-11 20:43:04,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:04,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:43:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:43:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:43:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-11 20:43:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-11 20:43:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:43:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:43:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:43:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:43:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:43:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:43:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:43:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:43:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:43:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 20:43:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 20:43:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 20:43:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 20:43:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-11 20:43:04,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:04,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810203428] [2024-11-11 20:43:04,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810203428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:43:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166701969] [2024-11-11 20:43:04,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:04,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:04,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:04,408 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) [2024-11-11 20:43:04,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 20:43:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:04,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-11 20:43:04,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:43:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-11 20:43:04,830 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:43:04,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166701969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:04,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:43:04,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-11 20:43:04,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880445347] [2024-11-11 20:43:04,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:04,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:43:04,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:04,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:43:04,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:43:04,833 INFO L87 Difference]: Start difference. First operand 428 states and 644 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:04,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:04,870 INFO L93 Difference]: Finished difference Result 667 states and 980 transitions. [2024-11-11 20:43:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:43:04,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-11-11 20:43:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:04,879 INFO L225 Difference]: With dead ends: 667 [2024-11-11 20:43:04,879 INFO L226 Difference]: Without dead ends: 431 [2024-11-11 20:43:04,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:43:04,882 INFO L435 NwaCegarLoop]: 642 mSDtfsCounter, 1 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1282 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 [2024-11-11 20:43:04,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1282 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:43:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-11 20:43:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 430. [2024-11-11 20:43:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 331 states have (on average 1.5377643504531722) internal successors, (509), 336 states have internal predecessors, (509), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-11 20:43:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2024-11-11 20:43:04,909 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 159 [2024-11-11 20:43:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:04,910 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2024-11-11 20:43:04,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2024-11-11 20:43:04,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-11 20:43:04,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:04,913 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:04,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-11 20:43:05,113 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 [2024-11-11 20:43:05,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:05,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash 267895932, now seen corresponding path program 1 times [2024-11-11 20:43:05,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:05,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395940569] [2024-11-11 20:43:05,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:43:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:43:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:43:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-11 20:43:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:43:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 20:43:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:43:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 20:43:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:43:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:43:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-11 20:43:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:43:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 20:43:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-11 20:43:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-11 20:43:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-11 20:43:05,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395940569] [2024-11-11 20:43:05,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395940569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:43:05,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747464653] [2024-11-11 20:43:05,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:05,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:05,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:05,442 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) [2024-11-11 20:43:05,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 20:43:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:05,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:43:05,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:43:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-11 20:43:05,839 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:43:05,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747464653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:05,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:43:05,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-11 20:43:05,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937211989] [2024-11-11 20:43:05,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:05,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:43:05,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:05,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:43:05,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:43:05,842 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:05,879 INFO L93 Difference]: Finished difference Result 908 states and 1384 transitions. [2024-11-11 20:43:05,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:43:05,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2024-11-11 20:43:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:05,883 INFO L225 Difference]: With dead ends: 908 [2024-11-11 20:43:05,883 INFO L226 Difference]: Without dead ends: 505 [2024-11-11 20:43:05,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:43:05,886 INFO L435 NwaCegarLoop]: 659 mSDtfsCounter, 134 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:05,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1256 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:43:05,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-11 20:43:05,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 497. [2024-11-11 20:43:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 384 states have (on average 1.5572916666666667) internal successors, (598), 389 states have internal predecessors, (598), 84 states have call successors, (84), 29 states have call predecessors, (84), 28 states have return successors, (81), 80 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-11 20:43:05,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 763 transitions. [2024-11-11 20:43:05,913 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 763 transitions. Word has length 149 [2024-11-11 20:43:05,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:05,913 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 763 transitions. [2024-11-11 20:43:05,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 763 transitions. [2024-11-11 20:43:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-11 20:43:05,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:05,917 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:05,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-11 20:43:06,121 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 [2024-11-11 20:43:06,122 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:06,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:06,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1075461055, now seen corresponding path program 1 times [2024-11-11 20:43:06,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:06,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458204266] [2024-11-11 20:43:06,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:06,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:43:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:43:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:43:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-11 20:43:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-11 20:43:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:43:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:43:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 20:43:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:43:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 20:43:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:43:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:43:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 20:43:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 20:43:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-11 20:43:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:43:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 20:43:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-11 20:43:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-11 20:43:06,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458204266] [2024-11-11 20:43:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458204266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:43:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371840041] [2024-11-11 20:43:06,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:06,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:06,443 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) [2024-11-11 20:43:06,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-11 20:43:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:06,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-11 20:43:06,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:43:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-11 20:43:06,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:43:06,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371840041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:06,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:43:06,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-11 20:43:06,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325826286] [2024-11-11 20:43:06,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:06,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:43:06,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:06,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:43:06,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:43:06,877 INFO L87 Difference]: Start difference. First operand 497 states and 763 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-11 20:43:06,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:06,935 INFO L93 Difference]: Finished difference Result 985 states and 1516 transitions. [2024-11-11 20:43:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:43:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 169 [2024-11-11 20:43:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:06,939 INFO L225 Difference]: With dead ends: 985 [2024-11-11 20:43:06,939 INFO L226 Difference]: Without dead ends: 499 [2024-11-11 20:43:06,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:43:06,942 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 2 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2533 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 [2024-11-11 20:43:06,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2533 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:43:06,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-11 20:43:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-11 20:43:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 385 states have (on average 1.5558441558441558) internal successors, (599), 391 states have internal predecessors, (599), 84 states have call successors, (84), 29 states have call predecessors, (84), 29 states have return successors, (83), 80 states have call predecessors, (83), 81 states have call successors, (83) [2024-11-11 20:43:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 766 transitions. [2024-11-11 20:43:06,964 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 766 transitions. Word has length 169 [2024-11-11 20:43:06,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:06,964 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 766 transitions. [2024-11-11 20:43:06,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-11 20:43:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 766 transitions. [2024-11-11 20:43:06,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-11 20:43:06,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:06,969 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:06,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-11 20:43:07,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:07,169 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:07,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:07,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1459855946, now seen corresponding path program 1 times [2024-11-11 20:43:07,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:07,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679952842] [2024-11-11 20:43:07,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:07,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:43:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 20:43:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-11 20:43:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-11 20:43:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:43:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:43:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:43:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:43:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-11 20:43:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:43:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:43:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:43:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-11 20:43:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-11 20:43:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-11 20:43:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 20:43:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 20:43:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:07,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679952842] [2024-11-11 20:43:07,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679952842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:43:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106456007] [2024-11-11 20:43:07,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:07,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:07,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:07,480 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) [2024-11-11 20:43:07,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-11 20:43:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:07,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 20:43:07,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:43:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-11 20:43:07,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:43:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106456007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:43:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-11 20:43:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949707681] [2024-11-11 20:43:07,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:07,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:43:07,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:07,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:43:07,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:43:07,949 INFO L87 Difference]: Start difference. First operand 499 states and 766 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-11 20:43:08,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:08,018 INFO L93 Difference]: Finished difference Result 987 states and 1521 transitions. [2024-11-11 20:43:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:43:08,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 170 [2024-11-11 20:43:08,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:08,022 INFO L225 Difference]: With dead ends: 987 [2024-11-11 20:43:08,023 INFO L226 Difference]: Without dead ends: 501 [2024-11-11 20:43:08,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:43:08,026 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 2 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2519 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:08,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2519 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:43:08,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-11 20:43:08,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2024-11-11 20:43:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 386 states have (on average 1.5544041450777202) internal successors, (600), 393 states have internal predecessors, (600), 84 states have call successors, (84), 29 states have call predecessors, (84), 30 states have return successors, (88), 80 states have call predecessors, (88), 81 states have call successors, (88) [2024-11-11 20:43:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 772 transitions. [2024-11-11 20:43:08,052 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 772 transitions. Word has length 170 [2024-11-11 20:43:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:08,052 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 772 transitions. [2024-11-11 20:43:08,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-11 20:43:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 772 transitions. [2024-11-11 20:43:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-11 20:43:08,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:08,057 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:08,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-11 20:43:08,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:08,258 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:08,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1587537440, now seen corresponding path program 1 times [2024-11-11 20:43:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432700064] [2024-11-11 20:43:08,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:08,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 20:43:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 20:43:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 20:43:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:43:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:43:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:43:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:43:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:43:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:43:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:43:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-11 20:43:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 20:43:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 20:43:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-11 20:43:08,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:08,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432700064] [2024-11-11 20:43:08,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432700064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:08,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:08,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:43:08,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211149788] [2024-11-11 20:43:08,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:08,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:43:08,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:08,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:43:08,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:43:08,488 INFO L87 Difference]: Start difference. First operand 501 states and 772 transitions. Second operand has 9 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-11 20:43:10,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:10,973 INFO L93 Difference]: Finished difference Result 1121 states and 1750 transitions. [2024-11-11 20:43:10,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 20:43:10,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 152 [2024-11-11 20:43:10,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:10,979 INFO L225 Difference]: With dead ends: 1121 [2024-11-11 20:43:10,979 INFO L226 Difference]: Without dead ends: 643 [2024-11-11 20:43:10,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-11 20:43:10,981 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 1445 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:10,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 1337 Invalid, 3330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 2836 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-11 20:43:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-11 20:43:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 501. [2024-11-11 20:43:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 386 states have (on average 1.5544041450777202) internal successors, (600), 393 states have internal predecessors, (600), 84 states have call successors, (84), 29 states have call predecessors, (84), 30 states have return successors, (87), 80 states have call predecessors, (87), 81 states have call successors, (87) [2024-11-11 20:43:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 771 transitions. [2024-11-11 20:43:11,048 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 771 transitions. Word has length 152 [2024-11-11 20:43:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:11,049 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 771 transitions. [2024-11-11 20:43:11,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-11 20:43:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 771 transitions. [2024-11-11 20:43:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-11 20:43:11,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:11,052 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:11,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 20:43:11,053 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:11,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:11,054 INFO L85 PathProgramCache]: Analyzing trace with hash -682164201, now seen corresponding path program 2 times [2024-11-11 20:43:11,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:11,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757441367] [2024-11-11 20:43:11,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-11 20:43:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:43:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:43:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:43:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:43:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 20:43:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:43:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:43:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:43:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 20:43:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 20:43:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 20:43:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 20:43:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-11 20:43:11,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:11,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757441367] [2024-11-11 20:43:11,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757441367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:11,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:11,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:43:11,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101373640] [2024-11-11 20:43:11,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:11,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:43:11,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:11,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:43:11,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:43:11,293 INFO L87 Difference]: Start difference. First operand 501 states and 771 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-11 20:43:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:13,685 INFO L93 Difference]: Finished difference Result 1123 states and 1753 transitions. [2024-11-11 20:43:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 20:43:13,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2024-11-11 20:43:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:13,692 INFO L225 Difference]: With dead ends: 1123 [2024-11-11 20:43:13,692 INFO L226 Difference]: Without dead ends: 645 [2024-11-11 20:43:13,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-11 20:43:13,698 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 1435 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2967 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 3431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 2967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:13,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 1339 Invalid, 3431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 2967 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-11 20:43:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-11 20:43:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 503. [2024-11-11 20:43:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 387 states have (on average 1.5529715762273901) internal successors, (601), 395 states have internal predecessors, (601), 84 states have call successors, (84), 29 states have call predecessors, (84), 31 states have return successors, (89), 80 states have call predecessors, (89), 81 states have call successors, (89) [2024-11-11 20:43:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 774 transitions. [2024-11-11 20:43:13,743 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 774 transitions. Word has length 153 [2024-11-11 20:43:13,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:13,743 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 774 transitions. [2024-11-11 20:43:13,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-11 20:43:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 774 transitions. [2024-11-11 20:43:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-11 20:43:13,747 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:13,747 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:13,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 20:43:13,747 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:13,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash -487176677, now seen corresponding path program 1 times [2024-11-11 20:43:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:13,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024453308] [2024-11-11 20:43:13,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:13,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:43:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-11 20:43:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:43:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:43:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:43:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:43:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:43:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:43:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-11 20:43:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-11 20:43:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-11 20:43:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:13,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:43:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-11 20:43:14,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:14,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024453308] [2024-11-11 20:43:14,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024453308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:14,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:14,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 20:43:14,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733990823] [2024-11-11 20:43:14,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:14,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 20:43:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:14,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 20:43:14,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:43:14,003 INFO L87 Difference]: Start difference. First operand 503 states and 774 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-11 20:43:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:17,051 INFO L93 Difference]: Finished difference Result 1121 states and 1748 transitions. [2024-11-11 20:43:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:43:17,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 154 [2024-11-11 20:43:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:17,056 INFO L225 Difference]: With dead ends: 1121 [2024-11-11 20:43:17,056 INFO L226 Difference]: Without dead ends: 645 [2024-11-11 20:43:17,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-11 20:43:17,060 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1443 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4903 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 5393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 4903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:17,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 1855 Invalid, 5393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 4903 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 20:43:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-11 20:43:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 503. [2024-11-11 20:43:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 387 states have (on average 1.5529715762273901) internal successors, (601), 395 states have internal predecessors, (601), 84 states have call successors, (84), 29 states have call predecessors, (84), 31 states have return successors, (88), 80 states have call predecessors, (88), 81 states have call successors, (88) [2024-11-11 20:43:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 773 transitions. [2024-11-11 20:43:17,139 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 773 transitions. Word has length 154 [2024-11-11 20:43:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:17,141 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 773 transitions. [2024-11-11 20:43:17,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-11 20:43:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 773 transitions. [2024-11-11 20:43:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-11 20:43:17,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:17,144 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:17,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 20:43:17,145 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:17,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:17,145 INFO L85 PathProgramCache]: Analyzing trace with hash -841964714, now seen corresponding path program 2 times [2024-11-11 20:43:17,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:17,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762464686] [2024-11-11 20:43:17,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:17,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-11 20:43:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:43:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:43:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-11 20:43:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:43:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:43:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-11 20:43:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 20:43:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 20:43:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 20:43:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-11 20:43:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-11 20:43:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-11 20:43:17,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:17,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762464686] [2024-11-11 20:43:17,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762464686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:17,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:17,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 20:43:17,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490388336] [2024-11-11 20:43:17,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:17,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 20:43:17,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:17,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 20:43:17,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:43:17,431 INFO L87 Difference]: Start difference. First operand 503 states and 773 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-11 20:43:20,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:20,108 INFO L93 Difference]: Finished difference Result 1123 states and 1754 transitions. [2024-11-11 20:43:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:43:20,108 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 155 [2024-11-11 20:43:20,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:20,113 INFO L225 Difference]: With dead ends: 1123 [2024-11-11 20:43:20,113 INFO L226 Difference]: Without dead ends: 647 [2024-11-11 20:43:20,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-11 20:43:20,115 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1438 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4970 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 5442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 4970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:20,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 1855 Invalid, 5442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 4970 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-11 20:43:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-11 20:43:20,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 505. [2024-11-11 20:43:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 388 states have (on average 1.5515463917525774) internal successors, (602), 397 states have internal predecessors, (602), 84 states have call successors, (84), 29 states have call predecessors, (84), 32 states have return successors, (93), 80 states have call predecessors, (93), 81 states have call successors, (93) [2024-11-11 20:43:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 779 transitions. [2024-11-11 20:43:20,155 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 779 transitions. Word has length 155 [2024-11-11 20:43:20,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:20,155 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 779 transitions. [2024-11-11 20:43:20,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-11 20:43:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 779 transitions. [2024-11-11 20:43:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-11 20:43:20,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:20,158 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:20,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 20:43:20,159 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:20,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:20,159 INFO L85 PathProgramCache]: Analyzing trace with hash -778011437, now seen corresponding path program 1 times [2024-11-11 20:43:20,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:20,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686504154] [2024-11-11 20:43:20,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:20,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-11 20:43:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:43:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:43:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:43:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:43:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:43:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:43:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:43:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:43:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 20:43:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 20:43:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:43:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-11 20:43:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-11 20:43:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-11 20:43:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-11 20:43:20,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:20,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686504154] [2024-11-11 20:43:20,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686504154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:43:20,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876344407] [2024-11-11 20:43:20,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:20,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:43:20,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:43:20,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-11 20:43:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:20,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:43:20,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:43:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:43:20,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:43:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:43:21,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876344407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:43:21,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:43:21,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-11 20:43:21,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745410480] [2024-11-11 20:43:21,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:43:21,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-11 20:43:21,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:21,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-11 20:43:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:43:21,046 INFO L87 Difference]: Start difference. First operand 505 states and 779 transitions. Second operand has 15 states, 14 states have (on average 12.0) internal successors, (168), 11 states have internal predecessors, (168), 4 states have call successors, (50), 6 states have call predecessors, (50), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-11 20:43:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:24,138 INFO L93 Difference]: Finished difference Result 1563 states and 2551 transitions. [2024-11-11 20:43:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-11 20:43:24,139 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.0) internal successors, (168), 11 states have internal predecessors, (168), 4 states have call successors, (50), 6 states have call predecessors, (50), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) Word has length 175 [2024-11-11 20:43:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:24,146 INFO L225 Difference]: With dead ends: 1563 [2024-11-11 20:43:24,146 INFO L226 Difference]: Without dead ends: 1089 [2024-11-11 20:43:24,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-11 20:43:24,149 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 2731 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 5356 mSolverCounterSat, 871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 6227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 871 IncrementalHoareTripleChecker+Valid, 5356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:24,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 2202 Invalid, 6227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [871 Valid, 5356 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 20:43:24,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-11-11 20:43:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 923. [2024-11-11 20:43:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 727 states have (on average 1.6066024759284732) internal successors, (1168), 736 states have internal predecessors, (1168), 163 states have call successors, (163), 29 states have call predecessors, (163), 32 states have return successors, (182), 159 states have call predecessors, (182), 160 states have call successors, (182) [2024-11-11 20:43:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1513 transitions. [2024-11-11 20:43:24,217 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1513 transitions. Word has length 175 [2024-11-11 20:43:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:24,218 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1513 transitions. [2024-11-11 20:43:24,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.0) internal successors, (168), 11 states have internal predecessors, (168), 4 states have call successors, (50), 6 states have call predecessors, (50), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-11 20:43:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1513 transitions. [2024-11-11 20:43:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-11 20:43:24,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:24,223 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:24,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-11 20:43:24,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:43:24,424 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:24,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:24,425 INFO L85 PathProgramCache]: Analyzing trace with hash -992440695, now seen corresponding path program 1 times [2024-11-11 20:43:24,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:24,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538937813] [2024-11-11 20:43:24,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-11 20:43:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:43:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:43:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:43:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:43:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:43:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:43:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:43:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 20:43:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 20:43:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 20:43:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 20:43:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:24,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538937813] [2024-11-11 20:43:24,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538937813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:24,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:24,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:24,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100226085] [2024-11-11 20:43:24,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:24,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:24,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:24,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:24,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:24,559 INFO L87 Difference]: Start difference. First operand 923 states and 1513 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:26,215 INFO L93 Difference]: Finished difference Result 2308 states and 3880 transitions. [2024-11-11 20:43:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:26,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-11-11 20:43:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:26,225 INFO L225 Difference]: With dead ends: 2308 [2024-11-11 20:43:26,225 INFO L226 Difference]: Without dead ends: 1463 [2024-11-11 20:43:26,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:26,229 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 1571 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:26,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 1022 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 20:43:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2024-11-11 20:43:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1313. [2024-11-11 20:43:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1038 states have (on average 1.6262042389210019) internal successors, (1688), 1047 states have internal predecessors, (1688), 242 states have call successors, (242), 29 states have call predecessors, (242), 32 states have return successors, (271), 238 states have call predecessors, (271), 239 states have call successors, (271) [2024-11-11 20:43:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 2201 transitions. [2024-11-11 20:43:26,307 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 2201 transitions. Word has length 159 [2024-11-11 20:43:26,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:26,307 INFO L471 AbstractCegarLoop]: Abstraction has 1313 states and 2201 transitions. [2024-11-11 20:43:26,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 2201 transitions. [2024-11-11 20:43:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-11 20:43:26,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:26,314 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:26,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 20:43:26,315 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:26,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:26,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1186620882, now seen corresponding path program 1 times [2024-11-11 20:43:26,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:26,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664178575] [2024-11-11 20:43:26,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:26,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:43:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:43:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:43:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:43:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:43:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:43:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:43:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 20:43:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-11 20:43:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 20:43:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:43:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-11 20:43:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:26,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:26,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664178575] [2024-11-11 20:43:26,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664178575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:26,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:26,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:26,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335447054] [2024-11-11 20:43:26,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:26,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:26,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:26,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:26,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:26,445 INFO L87 Difference]: Start difference. First operand 1313 states and 2201 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:28,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:28,032 INFO L93 Difference]: Finished difference Result 3282 states and 5589 transitions. [2024-11-11 20:43:28,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:28,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2024-11-11 20:43:28,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:28,046 INFO L225 Difference]: With dead ends: 3282 [2024-11-11 20:43:28,046 INFO L226 Difference]: Without dead ends: 2100 [2024-11-11 20:43:28,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:28,052 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 1567 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:28,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 976 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:43:28,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2024-11-11 20:43:28,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1950. [2024-11-11 20:43:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1556 states have (on average 1.6362467866323906) internal successors, (2546), 1565 states have internal predecessors, (2546), 361 states have call successors, (361), 29 states have call predecessors, (361), 32 states have return successors, (390), 357 states have call predecessors, (390), 358 states have call successors, (390) [2024-11-11 20:43:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 3297 transitions. [2024-11-11 20:43:28,161 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 3297 transitions. Word has length 160 [2024-11-11 20:43:28,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:28,161 INFO L471 AbstractCegarLoop]: Abstraction has 1950 states and 3297 transitions. [2024-11-11 20:43:28,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 3297 transitions. [2024-11-11 20:43:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-11 20:43:28,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:28,171 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:28,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 20:43:28,172 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:28,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1787350665, now seen corresponding path program 1 times [2024-11-11 20:43:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883921966] [2024-11-11 20:43:28,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:43:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:43:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:43:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:43:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:43:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:43:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 20:43:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-11 20:43:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 20:43:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 20:43:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-11 20:43:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-11 20:43:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:28,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:28,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883921966] [2024-11-11 20:43:28,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883921966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:28,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:28,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:28,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575749792] [2024-11-11 20:43:28,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:28,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:28,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:28,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:28,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:28,294 INFO L87 Difference]: Start difference. First operand 1950 states and 3297 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:29,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:29,881 INFO L93 Difference]: Finished difference Result 4762 states and 8200 transitions. [2024-11-11 20:43:29,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:29,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-11 20:43:29,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:29,897 INFO L225 Difference]: With dead ends: 4762 [2024-11-11 20:43:29,897 INFO L226 Difference]: Without dead ends: 3078 [2024-11-11 20:43:29,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:29,904 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 1565 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:29,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 975 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 20:43:29,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2024-11-11 20:43:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 2928. [2024-11-11 20:43:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2372 states have (on average 1.6441821247892074) internal successors, (3900), 2381 states have internal predecessors, (3900), 523 states have call successors, (523), 29 states have call predecessors, (523), 32 states have return successors, (568), 519 states have call predecessors, (568), 520 states have call successors, (568) [2024-11-11 20:43:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 4991 transitions. [2024-11-11 20:43:30,032 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 4991 transitions. Word has length 161 [2024-11-11 20:43:30,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:30,033 INFO L471 AbstractCegarLoop]: Abstraction has 2928 states and 4991 transitions. [2024-11-11 20:43:30,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 4991 transitions. [2024-11-11 20:43:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-11 20:43:30,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:30,071 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:30,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 20:43:30,072 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:30,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1664558125, now seen corresponding path program 1 times [2024-11-11 20:43:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:30,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390841235] [2024-11-11 20:43:30,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:43:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:43:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:43:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 20:43:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 20:43:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:43:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:43:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 20:43:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 20:43:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 20:43:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 20:43:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 20:43:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:30,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:30,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390841235] [2024-11-11 20:43:30,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390841235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:30,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:30,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:30,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33455408] [2024-11-11 20:43:30,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:30,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:30,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:30,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:30,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:30,191 INFO L87 Difference]: Start difference. First operand 2928 states and 4991 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:31,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:31,716 INFO L93 Difference]: Finished difference Result 7101 states and 12335 transitions. [2024-11-11 20:43:31,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:31,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-11 20:43:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:31,778 INFO L225 Difference]: With dead ends: 7101 [2024-11-11 20:43:31,779 INFO L226 Difference]: Without dead ends: 4658 [2024-11-11 20:43:31,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:31,787 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1565 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:31,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 974 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:43:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2024-11-11 20:43:31,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4508. [2024-11-11 20:43:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4508 states, 3707 states have (on average 1.6498516320474776) internal successors, (6116), 3716 states have internal predecessors, (6116), 768 states have call successors, (768), 29 states have call predecessors, (768), 32 states have return successors, (839), 764 states have call predecessors, (839), 765 states have call successors, (839) [2024-11-11 20:43:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 7723 transitions. [2024-11-11 20:43:31,988 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 7723 transitions. Word has length 162 [2024-11-11 20:43:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:31,988 INFO L471 AbstractCegarLoop]: Abstraction has 4508 states and 7723 transitions. [2024-11-11 20:43:31,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 7723 transitions. [2024-11-11 20:43:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-11 20:43:32,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:32,007 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:32,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 20:43:32,007 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:32,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1107801619, now seen corresponding path program 1 times [2024-11-11 20:43:32,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:32,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875043135] [2024-11-11 20:43:32,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 20:43:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:43:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-11 20:43:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:43:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-11 20:43:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:43:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:43:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 20:43:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-11 20:43:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-11 20:43:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-11 20:43:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 20:43:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:32,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:32,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875043135] [2024-11-11 20:43:32,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875043135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:32,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:32,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:32,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141108328] [2024-11-11 20:43:32,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:32,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:32,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:32,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:32,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:32,135 INFO L87 Difference]: Start difference. First operand 4508 states and 7723 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:33,919 INFO L93 Difference]: Finished difference Result 11272 states and 19664 transitions. [2024-11-11 20:43:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:33,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-11 20:43:33,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:33,971 INFO L225 Difference]: With dead ends: 11272 [2024-11-11 20:43:33,972 INFO L226 Difference]: Without dead ends: 7501 [2024-11-11 20:43:33,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:33,994 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 1561 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:33,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 988 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 20:43:34,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2024-11-11 20:43:34,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7351. [2024-11-11 20:43:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 6057 states have (on average 1.6468548786527983) internal successors, (9975), 6066 states have internal predecessors, (9975), 1261 states have call successors, (1261), 29 states have call predecessors, (1261), 32 states have return successors, (1376), 1257 states have call predecessors, (1376), 1258 states have call successors, (1376) [2024-11-11 20:43:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 12612 transitions. [2024-11-11 20:43:34,386 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 12612 transitions. Word has length 163 [2024-11-11 20:43:34,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:34,386 INFO L471 AbstractCegarLoop]: Abstraction has 7351 states and 12612 transitions. [2024-11-11 20:43:34,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 12612 transitions. [2024-11-11 20:43:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-11 20:43:34,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:34,418 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:34,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 20:43:34,418 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:34,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:34,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1672435511, now seen corresponding path program 1 times [2024-11-11 20:43:34,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:34,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916883882] [2024-11-11 20:43:34,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:43:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:43:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:43:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:43:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:43:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:43:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:43:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:43:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-11 20:43:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-11 20:43:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 20:43:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 20:43:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-11 20:43:34,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:34,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916883882] [2024-11-11 20:43:34,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916883882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:34,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:34,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:34,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009433188] [2024-11-11 20:43:34,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:34,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:34,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:34,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:34,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:34,549 INFO L87 Difference]: Start difference. First operand 7351 states and 12612 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:36,159 INFO L93 Difference]: Finished difference Result 18692 states and 32628 transitions. [2024-11-11 20:43:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:36,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-11 20:43:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:36,213 INFO L225 Difference]: With dead ends: 18692 [2024-11-11 20:43:36,213 INFO L226 Difference]: Without dead ends: 12480 [2024-11-11 20:43:36,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:36,236 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 1560 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:36,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 1006 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:43:36,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12480 states. [2024-11-11 20:43:36,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12480 to 12330. [2024-11-11 20:43:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12330 states, 10214 states have (on average 1.647346778930879) internal successors, (16826), 10223 states have internal predecessors, (16826), 2083 states have call successors, (2083), 29 states have call predecessors, (2083), 32 states have return successors, (2276), 2079 states have call predecessors, (2276), 2080 states have call successors, (2276) [2024-11-11 20:43:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12330 states to 12330 states and 21185 transitions. [2024-11-11 20:43:36,746 INFO L78 Accepts]: Start accepts. Automaton has 12330 states and 21185 transitions. Word has length 164 [2024-11-11 20:43:36,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:36,746 INFO L471 AbstractCegarLoop]: Abstraction has 12330 states and 21185 transitions. [2024-11-11 20:43:36,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-11 20:43:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12330 states and 21185 transitions. [2024-11-11 20:43:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-11 20:43:36,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:36,785 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:36,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 20:43:36,785 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:36,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:36,786 INFO L85 PathProgramCache]: Analyzing trace with hash -483892652, now seen corresponding path program 1 times [2024-11-11 20:43:36,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:36,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601448644] [2024-11-11 20:43:36,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:36,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:43:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:43:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-11 20:43:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:43:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:43:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:43:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:43:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-11 20:43:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-11 20:43:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 20:43:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 20:43:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-11 20:43:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-11 20:43:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-11 20:43:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-11 20:43:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:43:36,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:36,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601448644] [2024-11-11 20:43:36,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601448644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:36,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:36,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:36,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886040867] [2024-11-11 20:43:36,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:36,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:36,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:36,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:36,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:36,922 INFO L87 Difference]: Start difference. First operand 12330 states and 21185 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:38,693 INFO L93 Difference]: Finished difference Result 29650 states and 51488 transitions. [2024-11-11 20:43:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:38,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2024-11-11 20:43:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:38,772 INFO L225 Difference]: With dead ends: 29650 [2024-11-11 20:43:38,773 INFO L226 Difference]: Without dead ends: 19433 [2024-11-11 20:43:38,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:38,814 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 1557 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:38,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 986 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:43:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19433 states. [2024-11-11 20:43:39,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19433 to 19283. [2024-11-11 20:43:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19283 states, 15964 states have (on average 1.6221498371335505) internal successors, (25896), 15973 states have internal predecessors, (25896), 3286 states have call successors, (3286), 29 states have call predecessors, (3286), 32 states have return successors, (3623), 3282 states have call predecessors, (3623), 3283 states have call successors, (3623) [2024-11-11 20:43:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19283 states to 19283 states and 32805 transitions. [2024-11-11 20:43:39,785 INFO L78 Accepts]: Start accepts. Automaton has 19283 states and 32805 transitions. Word has length 184 [2024-11-11 20:43:39,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:39,786 INFO L471 AbstractCegarLoop]: Abstraction has 19283 states and 32805 transitions. [2024-11-11 20:43:39,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 19283 states and 32805 transitions. [2024-11-11 20:43:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-11 20:43:39,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:39,828 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:39,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 20:43:39,828 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:39,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:39,829 INFO L85 PathProgramCache]: Analyzing trace with hash 918650769, now seen corresponding path program 1 times [2024-11-11 20:43:39,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:39,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082378503] [2024-11-11 20:43:39,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:39,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:43:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:43:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 20:43:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:43:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:43:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:43:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 20:43:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 20:43:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 20:43:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 20:43:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-11 20:43:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 20:43:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 20:43:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-11 20:43:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-11 20:43:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:43:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082378503] [2024-11-11 20:43:39,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082378503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:39,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:39,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:39,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104554953] [2024-11-11 20:43:39,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:39,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:39,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:39,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:39,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:39,950 INFO L87 Difference]: Start difference. First operand 19283 states and 32805 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:42,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:42,309 INFO L93 Difference]: Finished difference Result 51082 states and 88406 transitions. [2024-11-11 20:43:42,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:42,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 185 [2024-11-11 20:43:42,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:42,465 INFO L225 Difference]: With dead ends: 51082 [2024-11-11 20:43:42,465 INFO L226 Difference]: Without dead ends: 34554 [2024-11-11 20:43:42,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:42,519 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 1555 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:42,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 976 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [564 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:43:42,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34554 states. [2024-11-11 20:43:43,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34554 to 34404. [2024-11-11 20:43:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34404 states, 28635 states have (on average 1.6190675746464118) internal successors, (46362), 28644 states have internal predecessors, (46362), 5736 states have call successors, (5736), 29 states have call predecessors, (5736), 32 states have return successors, (6347), 5732 states have call predecessors, (6347), 5733 states have call successors, (6347) [2024-11-11 20:43:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34404 states to 34404 states and 58445 transitions. [2024-11-11 20:43:44,030 INFO L78 Accepts]: Start accepts. Automaton has 34404 states and 58445 transitions. Word has length 185 [2024-11-11 20:43:44,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:44,030 INFO L471 AbstractCegarLoop]: Abstraction has 34404 states and 58445 transitions. [2024-11-11 20:43:44,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 34404 states and 58445 transitions. [2024-11-11 20:43:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-11 20:43:44,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:44,095 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:44,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 20:43:44,095 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:44,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:44,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2129846298, now seen corresponding path program 1 times [2024-11-11 20:43:44,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:44,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094089855] [2024-11-11 20:43:44,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:44,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:43:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:43:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:43:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:43:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:43:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-11 20:43:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:43:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 20:43:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 20:43:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 20:43:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 20:43:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-11 20:43:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 20:43:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 20:43:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 20:43:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:43:44,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:44,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094089855] [2024-11-11 20:43:44,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094089855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:44,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:44,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:44,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181760238] [2024-11-11 20:43:44,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:44,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:44,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:44,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:44,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:44,458 INFO L87 Difference]: Start difference. First operand 34404 states and 58445 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:47,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:47,327 INFO L93 Difference]: Finished difference Result 93954 states and 161805 transitions. [2024-11-11 20:43:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:47,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 186 [2024-11-11 20:43:47,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:47,791 INFO L225 Difference]: With dead ends: 93954 [2024-11-11 20:43:47,791 INFO L226 Difference]: Without dead ends: 63221 [2024-11-11 20:43:47,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:47,892 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 1552 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:47,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 977 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:43:47,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63221 states. [2024-11-11 20:43:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63221 to 63071. [2024-11-11 20:43:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63071 states, 52789 states have (on average 1.6148629449317093) internal successors, (85247), 52798 states have internal predecessors, (85247), 10249 states have call successors, (10249), 29 states have call predecessors, (10249), 32 states have return successors, (11392), 10245 states have call predecessors, (11392), 10246 states have call successors, (11392) [2024-11-11 20:43:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63071 states to 63071 states and 106888 transitions. [2024-11-11 20:43:50,709 INFO L78 Accepts]: Start accepts. Automaton has 63071 states and 106888 transitions. Word has length 186 [2024-11-11 20:43:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:43:50,710 INFO L471 AbstractCegarLoop]: Abstraction has 63071 states and 106888 transitions. [2024-11-11 20:43:50,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 63071 states and 106888 transitions. [2024-11-11 20:43:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-11 20:43:50,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:43:50,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:43:50,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 20:43:50,801 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:43:50,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:43:50,801 INFO L85 PathProgramCache]: Analyzing trace with hash -833319343, now seen corresponding path program 1 times [2024-11-11 20:43:50,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:43:50,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958968780] [2024-11-11 20:43:50,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:43:50,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:43:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:43:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:43:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:43:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:43:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:43:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:43:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:43:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:43:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:43:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:43:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:43:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 20:43:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:43:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:43:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-11 20:43:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 20:43:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 20:43:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-11 20:43:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-11 20:43:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-11 20:43:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-11 20:43:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:43:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:43:50,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:43:50,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958968780] [2024-11-11 20:43:50,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958968780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:43:50,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:43:50,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:43:50,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828037868] [2024-11-11 20:43:50,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:43:50,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:43:50,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:43:50,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:43:50,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:43:50,931 INFO L87 Difference]: Start difference. First operand 63071 states and 106888 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:43:54,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:43:54,868 INFO L93 Difference]: Finished difference Result 118330 states and 204182 transitions. [2024-11-11 20:43:54,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:43:54,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 187 [2024-11-11 20:43:54,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:43:55,406 INFO L225 Difference]: With dead ends: 118330 [2024-11-11 20:43:55,407 INFO L226 Difference]: Without dead ends: 118094 [2024-11-11 20:43:55,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-11 20:43:55,468 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 1547 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 20:43:55,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 984 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 20:43:55,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118094 states. [2024-11-11 20:43:59,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118094 to 117944. [2024-11-11 20:43:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117944 states, 99294 states have (on average 1.609513162930288) internal successors, (159815), 99303 states have internal predecessors, (159815), 18617 states have call successors, (18617), 29 states have call predecessors, (18617), 32 states have return successors, (20806), 18613 states have call predecessors, (20806), 18614 states have call successors, (20806) [2024-11-11 20:44:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117944 states to 117944 states and 199238 transitions. [2024-11-11 20:44:00,434 INFO L78 Accepts]: Start accepts. Automaton has 117944 states and 199238 transitions. Word has length 187 [2024-11-11 20:44:00,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:00,437 INFO L471 AbstractCegarLoop]: Abstraction has 117944 states and 199238 transitions. [2024-11-11 20:44:00,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:44:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 117944 states and 199238 transitions. [2024-11-11 20:44:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-11 20:44:00,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:00,563 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:00,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 20:44:00,563 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:00,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:00,564 INFO L85 PathProgramCache]: Analyzing trace with hash -993419557, now seen corresponding path program 1 times [2024-11-11 20:44:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:00,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86765060] [2024-11-11 20:44:00,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:44:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:44:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:44:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:44:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:44:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:44:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:44:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-11 20:44:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-11 20:44:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:44:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-11 20:44:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-11 20:44:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-11 20:44:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 20:44:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-11 20:44:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-11 20:44:00,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:00,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86765060] [2024-11-11 20:44:00,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86765060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:00,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:00,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-11 20:44:00,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802931644] [2024-11-11 20:44:00,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:00,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-11 20:44:00,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:00,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-11 20:44:00,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:44:00,789 INFO L87 Difference]: Start difference. First operand 117944 states and 199238 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-11 20:44:08,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:08,147 INFO L93 Difference]: Finished difference Result 227138 states and 391559 transitions. [2024-11-11 20:44:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 20:44:08,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 188 [2024-11-11 20:44:08,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:09,171 INFO L225 Difference]: With dead ends: 227138 [2024-11-11 20:44:09,171 INFO L226 Difference]: Without dead ends: 226910 [2024-11-11 20:44:09,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-11 20:44:09,268 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 3242 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 3723 mSolverCounterSat, 1022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 4745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 3723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:09,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 1707 Invalid, 4745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1022 Valid, 3723 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-11 20:44:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226910 states.