./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product31.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_spec6_product31.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 bad89116a36bb46e02a3fc807805b2b6d03550190d8073d361f25c2754b15f25 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:46:11,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:46:11,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:46:11,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:46:11,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:46:11,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:46:11,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:46:11,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:46:11,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:46:11,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:46:11,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:46:11,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:46:11,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:46:11,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:46:11,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:46:11,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:46:11,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:46:11,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:46:11,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:46:11,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:46:11,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:46:11,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:46:11,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:46:11,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:46:11,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:46:11,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:46:11,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:46:11,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:46:11,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:46:11,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:46:11,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:46:11,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:46:11,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:46:11,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:46:11,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:46:11,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:46:11,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:46:11,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:46:11,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:46:11,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:46:11,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:46:11,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:46:11,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bad89116a36bb46e02a3fc807805b2b6d03550190d8073d361f25c2754b15f25 [2024-11-11 20:46:12,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:46:12,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:46:12,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:46:12,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:46:12,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:46:12,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2024-11-11 20:46:13,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:46:13,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:46:13,920 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2024-11-11 20:46:13,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf3aa2f3/83be8797d64f433994f6de17b632308d/FLAG9f9831085 [2024-11-11 20:46:13,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf3aa2f3/83be8797d64f433994f6de17b632308d [2024-11-11 20:46:13,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:46:13,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:46:13,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:46:13,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:46:13,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:46:13,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:46:13" (1/1) ... [2024-11-11 20:46:13,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41499ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:13, skipping insertion in model container [2024-11-11 20:46:13,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:46:13" (1/1) ... [2024-11-11 20:46:14,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:46:14,456 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_spec6_product31.cil.c[31008,31021] [2024-11-11 20:46:14,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:46:14,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:46:14,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-11 20:46:14,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2024-11-11 20:46:14,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] [2024-11-11 20:46:14,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1305] [2024-11-11 20:46:14,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1314] [2024-11-11 20:46:14,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1680] [2024-11-11 20:46:14,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1905] [2024-11-11 20:46:14,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2190] [2024-11-11 20:46:14,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2554] [2024-11-11 20:46:14,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2600] [2024-11-11 20:46:14,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2997] [2024-11-11 20:46:14,800 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_spec6_product31.cil.c[31008,31021] [2024-11-11 20:46:14,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:46:14,969 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:46:14,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14 WrapperNode [2024-11-11 20:46:14,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:46:14,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:46:14,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:46:14,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:46:14,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,122 INFO L138 Inliner]: procedures = 132, calls = 209, calls flagged for inlining = 62, calls inlined = 57, statements flattened = 1056 [2024-11-11 20:46:15,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:46:15,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:46:15,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:46:15,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:46:15,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,165 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 20:46:15,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:46:15,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:46:15,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:46:15,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:46:15,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (1/1) ... [2024-11-11 20:46:15,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:46:15,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:15,295 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 20:46:15,297 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 20:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-11 20:46:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-11 20:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-11 20:46:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-11 20:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-11 20:46:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-11 20:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-11 20:46:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-11 20:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-11 20:46:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-11 20:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-11 20:46:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-11 20:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-11 20:46:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-11 20:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-11 20:46:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-11 20:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-11 20:46:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-11 20:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-11 20:46:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-11 20:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-11 20:46:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-11 20:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-11 20:46:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-11 20:46:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:46:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-11 20:46:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-11 20:46:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-11 20:46:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-11 20:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-11 20:46:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-11 20:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-11 20:46:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-11 20:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-11 20:46:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-11 20:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-11 20:46:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-11 20:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-11 20:46:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-11 20:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-11 20:46:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-11 20:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-11 20:46:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-11 20:46:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-11 20:46:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-11 20:46:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:46:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 20:46:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 20:46:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 20:46:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-11 20:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-11 20:46:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:46:15,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:46:15,664 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:46:16,380 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-11-11 20:46:16,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:46:16,400 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:46:16,402 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 20:46:16,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:46:16 BoogieIcfgContainer [2024-11-11 20:46:16,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:46:16,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:46:16,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:46:16,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:46:16,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:46:13" (1/3) ... [2024-11-11 20:46:16,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0e756d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:46:16, skipping insertion in model container [2024-11-11 20:46:16,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:46:14" (2/3) ... [2024-11-11 20:46:16,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0e756d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:46:16, skipping insertion in model container [2024-11-11 20:46:16,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:46:16" (3/3) ... [2024-11-11 20:46:16,411 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product31.cil.c [2024-11-11 20:46:16,423 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:46:16,424 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:46:16,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:46:16,573 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;@4f8887ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:46:16,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:46:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 374 states, 288 states have (on average 1.4965277777777777) internal successors, (431), 292 states have internal predecessors, (431), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-11 20:46:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-11 20:46:16,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:16,593 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:16,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:16,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:16,599 INFO L85 PathProgramCache]: Analyzing trace with hash -937278279, now seen corresponding path program 1 times [2024-11-11 20:46:16,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:16,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675025774] [2024-11-11 20:46:16,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:16,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:46:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:46:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:46:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 20:46:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 20:46:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:46:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:46:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:46:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:46:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 20:46:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:46:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:46:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 20:46:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:46:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,336 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-11 20:46:17,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:17,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675025774] [2024-11-11 20:46:17,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675025774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:46:17,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463177511] [2024-11-11 20:46:17,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:46:17,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:17,342 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 20:46:17,344 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 20:46:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:17,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-11 20:46:17,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:46:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-11 20:46:17,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:46:17,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463177511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:17,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:46:17,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-11 20:46:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425204490] [2024-11-11 20:46:17,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:17,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:46:17,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:46:17,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:46:17,752 INFO L87 Difference]: Start difference. First operand has 374 states, 288 states have (on average 1.4965277777777777) internal successors, (431), 292 states have internal predecessors, (431), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:17,826 INFO L93 Difference]: Finished difference Result 594 states and 860 transitions. [2024-11-11 20:46:17,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:46:17,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 126 [2024-11-11 20:46:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:17,842 INFO L225 Difference]: With dead ends: 594 [2024-11-11 20:46:17,843 INFO L226 Difference]: Without dead ends: 367 [2024-11-11 20:46:17,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 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 20:46:17,851 INFO L435 NwaCegarLoop]: 549 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, 549 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 20:46:17,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:46:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-11 20:46:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2024-11-11 20:46:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 282 states have (on average 1.4893617021276595) internal successors, (420), 285 states have internal predecessors, (420), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-11 20:46:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 541 transitions. [2024-11-11 20:46:17,919 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 541 transitions. Word has length 126 [2024-11-11 20:46:17,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:17,920 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 541 transitions. [2024-11-11 20:46:17,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 541 transitions. [2024-11-11 20:46:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-11 20:46:17,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:17,926 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:17,965 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 20:46:18,126 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 20:46:18,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:18,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:18,129 INFO L85 PathProgramCache]: Analyzing trace with hash -337301568, now seen corresponding path program 1 times [2024-11-11 20:46:18,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:18,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987441162] [2024-11-11 20:46:18,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:18,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:46:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:46:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:46:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-11 20:46:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-11 20:46:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:46:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:46:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:46:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-11 20:46:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:46:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:46:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:46:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:46:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:46:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-11 20:46:18,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987441162] [2024-11-11 20:46:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987441162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:46:18,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624944830] [2024-11-11 20:46:18,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:18,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:46:18,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:18,558 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 20:46:18,560 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 20:46:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:18,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-11 20:46:18,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:46:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-11 20:46:18,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:46:18,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624944830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:18,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:46:18,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-11 20:46:18,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744723817] [2024-11-11 20:46:18,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:18,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:46:18,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:18,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:46:18,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:46:18,877 INFO L87 Difference]: Start difference. First operand 367 states and 541 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:18,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:18,907 INFO L93 Difference]: Finished difference Result 584 states and 841 transitions. [2024-11-11 20:46:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:46:18,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 127 [2024-11-11 20:46:18,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:18,911 INFO L225 Difference]: With dead ends: 584 [2024-11-11 20:46:18,911 INFO L226 Difference]: Without dead ends: 370 [2024-11-11 20:46:18,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:46:18,913 INFO L435 NwaCegarLoop]: 539 mSDtfsCounter, 1 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1076 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 20:46:18,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1076 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:46:18,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-11 20:46:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 369. [2024-11-11 20:46:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 284 states have (on average 1.4859154929577465) internal successors, (422), 287 states have internal predecessors, (422), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-11 20:46:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 543 transitions. [2024-11-11 20:46:18,944 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 543 transitions. Word has length 127 [2024-11-11 20:46:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:18,944 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 543 transitions. [2024-11-11 20:46:18,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 543 transitions. [2024-11-11 20:46:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-11 20:46:18,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:18,947 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:18,962 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 20:46:19,148 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 20:46:19,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:19,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:19,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2047662697, now seen corresponding path program 1 times [2024-11-11 20:46:19,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:19,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350906745] [2024-11-11 20:46:19,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:46:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:46:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:46:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-11 20:46:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-11 20:46:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:46:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:46:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:46:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:46:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:46:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:46:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:46:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:46:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 20:46:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:46:19,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:19,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350906745] [2024-11-11 20:46:19,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350906745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:46:19,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151465253] [2024-11-11 20:46:19,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:19,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:46:19,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:19,549 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 20:46:19,551 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 20:46:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:19,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:46:19,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:46:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-11 20:46:19,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:46:19,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151465253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:19,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:46:19,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-11 20:46:19,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152260338] [2024-11-11 20:46:19,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:19,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:46:19,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:19,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:46:19,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:46:19,834 INFO L87 Difference]: Start difference. First operand 369 states and 543 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:19,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:19,885 INFO L93 Difference]: Finished difference Result 768 states and 1145 transitions. [2024-11-11 20:46:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:46:19,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2024-11-11 20:46:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:19,888 INFO L225 Difference]: With dead ends: 768 [2024-11-11 20:46:19,888 INFO L226 Difference]: Without dead ends: 426 [2024-11-11 20:46:19,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 162 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 20:46:19,890 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 107 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1036 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 20:46:19,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1036 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:46:19,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-11 20:46:19,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 418. [2024-11-11 20:46:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 322 states have (on average 1.5031055900621118) internal successors, (484), 325 states have internal predecessors, (484), 72 states have call successors, (72), 23 states have call predecessors, (72), 23 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-11 20:46:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 627 transitions. [2024-11-11 20:46:19,913 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 627 transitions. Word has length 133 [2024-11-11 20:46:19,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:19,914 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 627 transitions. [2024-11-11 20:46:19,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 627 transitions. [2024-11-11 20:46:19,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-11 20:46:19,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:19,916 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:19,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-11 20:46:20,116 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 20:46:20,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:20,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:20,118 INFO L85 PathProgramCache]: Analyzing trace with hash 790744338, now seen corresponding path program 1 times [2024-11-11 20:46:20,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:20,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937223804] [2024-11-11 20:46:20,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:20,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:46:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:46:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:46:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-11 20:46:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 20:46:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:46:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:46:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:46:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:46:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:46:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:46:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:46:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:46:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:46:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:46:20,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:20,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937223804] [2024-11-11 20:46:20,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937223804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:46:20,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72433291] [2024-11-11 20:46:20,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:20,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:46:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:20,307 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 20:46:20,312 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 20:46:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:20,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-11 20:46:20,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:46:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-11 20:46:20,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:46:20,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72433291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:20,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:46:20,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-11 20:46:20,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556311718] [2024-11-11 20:46:20,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:20,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:46:20,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:20,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:46:20,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:46:20,878 INFO L87 Difference]: Start difference. First operand 418 states and 627 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:21,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:21,042 INFO L93 Difference]: Finished difference Result 827 states and 1244 transitions. [2024-11-11 20:46:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:46:21,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 134 [2024-11-11 20:46:21,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:21,049 INFO L225 Difference]: With dead ends: 827 [2024-11-11 20:46:21,049 INFO L226 Difference]: Without dead ends: 420 [2024-11-11 20:46:21,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 161 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 20:46:21,056 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 2 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:21,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2121 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:46:21,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-11 20:46:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-11 20:46:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 323 states have (on average 1.501547987616099) internal successors, (485), 327 states have internal predecessors, (485), 72 states have call successors, (72), 23 states have call predecessors, (72), 24 states have return successors, (73), 71 states have call predecessors, (73), 71 states have call successors, (73) [2024-11-11 20:46:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 630 transitions. [2024-11-11 20:46:21,095 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 630 transitions. Word has length 134 [2024-11-11 20:46:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:21,095 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 630 transitions. [2024-11-11 20:46:21,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 630 transitions. [2024-11-11 20:46:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-11 20:46:21,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:21,103 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-11 20:46:21,150 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 20:46:21,303 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 20:46:21,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:21,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:21,304 INFO L85 PathProgramCache]: Analyzing trace with hash -610465485, now seen corresponding path program 1 times [2024-11-11 20:46:21,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:21,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493751240] [2024-11-11 20:46:21,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:46:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 20:46:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 20:46:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:46:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:46:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:46:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:46:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:46:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 20:46:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:46:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:46:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:46:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-11 20:46:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-11 20:46:21,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:21,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493751240] [2024-11-11 20:46:21,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493751240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:46:21,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51005799] [2024-11-11 20:46:21,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:21,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:46:21,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:21,718 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 20:46:21,728 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 20:46:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 20:46:22,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:46:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-11 20:46:22,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:46:22,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51005799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:22,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:46:22,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-11 20:46:22,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536623389] [2024-11-11 20:46:22,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:22,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:46:22,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:22,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:46:22,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:46:22,273 INFO L87 Difference]: Start difference. First operand 420 states and 630 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:22,382 INFO L93 Difference]: Finished difference Result 829 states and 1249 transitions. [2024-11-11 20:46:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:46:22,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2024-11-11 20:46:22,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:22,386 INFO L225 Difference]: With dead ends: 829 [2024-11-11 20:46:22,386 INFO L226 Difference]: Without dead ends: 422 [2024-11-11 20:46:22,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 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 20:46:22,388 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 2 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:22,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2107 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:46:22,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-11 20:46:22,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2024-11-11 20:46:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 324 states have (on average 1.5) internal successors, (486), 329 states have internal predecessors, (486), 72 states have call successors, (72), 23 states have call predecessors, (72), 25 states have return successors, (78), 71 states have call predecessors, (78), 71 states have call successors, (78) [2024-11-11 20:46:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 636 transitions. [2024-11-11 20:46:22,410 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 636 transitions. Word has length 135 [2024-11-11 20:46:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:22,411 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 636 transitions. [2024-11-11 20:46:22,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 636 transitions. [2024-11-11 20:46:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-11 20:46:22,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:22,414 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:22,432 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 20:46:22,619 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 20:46:22,620 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:22,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:22,621 INFO L85 PathProgramCache]: Analyzing trace with hash -304652879, now seen corresponding path program 1 times [2024-11-11 20:46:22,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:22,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846594741] [2024-11-11 20:46:22,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:22,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 20:46:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-11 20:46:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:46:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 20:46:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:46:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-11 20:46:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:46:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-11 20:46:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:46:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:46:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 20:46:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 20:46:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:46:22,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:22,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846594741] [2024-11-11 20:46:22,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846594741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:22,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:22,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:46:22,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791823262] [2024-11-11 20:46:22,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:22,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:46:22,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:22,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:46:22,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:46:22,847 INFO L87 Difference]: Start difference. First operand 422 states and 636 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:24,762 INFO L93 Difference]: Finished difference Result 1011 states and 1522 transitions. [2024-11-11 20:46:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 20:46:24,762 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 136 [2024-11-11 20:46:24,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:24,766 INFO L225 Difference]: With dead ends: 1011 [2024-11-11 20:46:24,766 INFO L226 Difference]: Without dead ends: 612 [2024-11-11 20:46:24,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 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 20:46:24,768 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 1196 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2967 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 3366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 2967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:24,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 1108 Invalid, 3366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 2967 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 20:46:24,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-11 20:46:24,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 422. [2024-11-11 20:46:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 324 states have (on average 1.5) internal successors, (486), 329 states have internal predecessors, (486), 72 states have call successors, (72), 23 states have call predecessors, (72), 25 states have return successors, (77), 71 states have call predecessors, (77), 71 states have call successors, (77) [2024-11-11 20:46:24,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 635 transitions. [2024-11-11 20:46:24,794 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 635 transitions. Word has length 136 [2024-11-11 20:46:24,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:24,795 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 635 transitions. [2024-11-11 20:46:24,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 635 transitions. [2024-11-11 20:46:24,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-11 20:46:24,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:24,797 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:46:24,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 20:46:24,797 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:24,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:24,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1755102132, now seen corresponding path program 2 times [2024-11-11 20:46:24,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:24,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823732916] [2024-11-11 20:46:24,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:24,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-11 20:46:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-11 20:46:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-11 20:46:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:46:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:46:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:46:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:46:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:46:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:46:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 20:46:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-11 20:46:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-11 20:46:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:46:24,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:24,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823732916] [2024-11-11 20:46:24,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823732916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:24,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:24,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:46:24,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698305560] [2024-11-11 20:46:24,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:24,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:46:24,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:24,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:46:24,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:46:24,980 INFO L87 Difference]: Start difference. First operand 422 states and 635 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:26,955 INFO L93 Difference]: Finished difference Result 1013 states and 1525 transitions. [2024-11-11 20:46:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 20:46:26,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 137 [2024-11-11 20:46:26,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:26,959 INFO L225 Difference]: With dead ends: 1013 [2024-11-11 20:46:26,959 INFO L226 Difference]: Without dead ends: 614 [2024-11-11 20:46:26,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 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 20:46:26,962 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 1192 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 3383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:26,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1108 Invalid, 3383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 2984 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 20:46:26,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-11 20:46:26,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 424. [2024-11-11 20:46:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 325 states have (on average 1.4984615384615385) internal successors, (487), 331 states have internal predecessors, (487), 72 states have call successors, (72), 23 states have call predecessors, (72), 26 states have return successors, (79), 71 states have call predecessors, (79), 71 states have call successors, (79) [2024-11-11 20:46:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 638 transitions. [2024-11-11 20:46:26,990 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 638 transitions. Word has length 137 [2024-11-11 20:46:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:26,990 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 638 transitions. [2024-11-11 20:46:26,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-11 20:46:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 638 transitions. [2024-11-11 20:46:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-11 20:46:26,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:26,993 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:26,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 20:46:26,993 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:26,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:26,993 INFO L85 PathProgramCache]: Analyzing trace with hash 811193644, now seen corresponding path program 1 times [2024-11-11 20:46:26,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:26,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223544091] [2024-11-11 20:46:26,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-11 20:46:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-11 20:46:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:46:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:46:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-11 20:46:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:46:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:46:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-11 20:46:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:46:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 20:46:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 20:46:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-11 20:46:27,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:27,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223544091] [2024-11-11 20:46:27,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223544091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:27,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:27,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 20:46:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514541841] [2024-11-11 20:46:27,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:27,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 20:46:27,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:27,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 20:46:27,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:46:27,199 INFO L87 Difference]: Start difference. First operand 424 states and 638 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-11 20:46:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:29,771 INFO L93 Difference]: Finished difference Result 1011 states and 1520 transitions. [2024-11-11 20:46:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:46:29,772 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 138 [2024-11-11 20:46:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:29,775 INFO L225 Difference]: With dead ends: 1011 [2024-11-11 20:46:29,775 INFO L226 Difference]: Without dead ends: 614 [2024-11-11 20:46:29,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-11 20:46:29,777 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 1196 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4955 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 5360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 4955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:29,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 1535 Invalid, 5360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 4955 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-11 20:46:29,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-11 20:46:29,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 424. [2024-11-11 20:46:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 325 states have (on average 1.4984615384615385) internal successors, (487), 331 states have internal predecessors, (487), 72 states have call successors, (72), 23 states have call predecessors, (72), 26 states have return successors, (78), 71 states have call predecessors, (78), 71 states have call successors, (78) [2024-11-11 20:46:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 637 transitions. [2024-11-11 20:46:29,801 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 637 transitions. Word has length 138 [2024-11-11 20:46:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:29,801 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 637 transitions. [2024-11-11 20:46:29,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-11 20:46:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 637 transitions. [2024-11-11 20:46:29,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-11 20:46:29,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:29,803 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-11 20:46:29,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 20:46:29,803 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:29,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:29,804 INFO L85 PathProgramCache]: Analyzing trace with hash 169071964, now seen corresponding path program 2 times [2024-11-11 20:46:29,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:29,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133341252] [2024-11-11 20:46:29,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:29,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 20:46:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 20:46:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:46:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:46:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 20:46:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:46:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:46:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 20:46:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:46:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 20:46:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:29,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 20:46:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-11 20:46:30,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:30,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133341252] [2024-11-11 20:46:30,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133341252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:30,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:30,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 20:46:30,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342308170] [2024-11-11 20:46:30,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:30,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 20:46:30,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:30,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 20:46:30,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:46:30,003 INFO L87 Difference]: Start difference. First operand 424 states and 637 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-11 20:46:32,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:32,762 INFO L93 Difference]: Finished difference Result 1013 states and 1526 transitions. [2024-11-11 20:46:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:46:32,763 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 139 [2024-11-11 20:46:32,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:32,766 INFO L225 Difference]: With dead ends: 1013 [2024-11-11 20:46:32,766 INFO L226 Difference]: Without dead ends: 616 [2024-11-11 20:46:32,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-11 20:46:32,769 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 1192 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4983 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 5385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 4983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:32,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1536 Invalid, 5385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 4983 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-11 20:46:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-11 20:46:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 426. [2024-11-11 20:46:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 326 states have (on average 1.4969325153374233) internal successors, (488), 333 states have internal predecessors, (488), 72 states have call successors, (72), 23 states have call predecessors, (72), 27 states have return successors, (83), 71 states have call predecessors, (83), 71 states have call successors, (83) [2024-11-11 20:46:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 643 transitions. [2024-11-11 20:46:32,798 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 643 transitions. Word has length 139 [2024-11-11 20:46:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:32,799 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 643 transitions. [2024-11-11 20:46:32,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-11 20:46:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 643 transitions. [2024-11-11 20:46:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-11 20:46:32,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:32,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:46:32,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 20:46:32,800 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:32,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:32,801 INFO L85 PathProgramCache]: Analyzing trace with hash -903691641, now seen corresponding path program 1 times [2024-11-11 20:46:32,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:32,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600849604] [2024-11-11 20:46:32,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:32,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:46:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:46:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:46:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:46:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:46:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:46:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:46:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:46:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:46:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:46:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-11 20:46:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:32,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:32,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600849604] [2024-11-11 20:46:32,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600849604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:46:32,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986047231] [2024-11-11 20:46:32,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:32,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:46:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:46:32,928 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 20:46:32,931 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 20:46:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:33,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:46:33,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:46:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:33,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:46:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:33,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986047231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:46:33,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:46:33,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-11 20:46:33,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475800373] [2024-11-11 20:46:33,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:46:33,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-11 20:46:33,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:33,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-11 20:46:33,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-11 20:46:33,284 INFO L87 Difference]: Start difference. First operand 426 states and 643 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-11 20:46:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:35,165 INFO L93 Difference]: Finished difference Result 1182 states and 1854 transitions. [2024-11-11 20:46:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 20:46:35,165 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 140 [2024-11-11 20:46:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:35,170 INFO L225 Difference]: With dead ends: 1182 [2024-11-11 20:46:35,171 INFO L226 Difference]: Without dead ends: 968 [2024-11-11 20:46:35,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-11 20:46:35,173 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 1600 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 3049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:35,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 1426 Invalid, 3049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 2505 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 20:46:35,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-11 20:46:35,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 754. [2024-11-11 20:46:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 590 states have (on average 1.5694915254237287) internal successors, (926), 597 states have internal predecessors, (926), 136 states have call successors, (136), 23 states have call predecessors, (136), 27 states have return successors, (157), 135 states have call predecessors, (157), 135 states have call successors, (157) [2024-11-11 20:46:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1219 transitions. [2024-11-11 20:46:35,203 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1219 transitions. Word has length 140 [2024-11-11 20:46:35,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:35,203 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1219 transitions. [2024-11-11 20:46:35,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-11 20:46:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1219 transitions. [2024-11-11 20:46:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-11 20:46:35,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:35,206 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-11 20:46:35,221 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 20:46:35,407 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 20:46:35,408 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:35,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1843294026, now seen corresponding path program 1 times [2024-11-11 20:46:35,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:35,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804384865] [2024-11-11 20:46:35,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:35,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-11 20:46:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:46:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:46:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:46:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:46:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:46:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 20:46:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:46:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:46:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-11 20:46:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-11 20:46:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:35,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:35,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804384865] [2024-11-11 20:46:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804384865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:35,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:35,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:35,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700424495] [2024-11-11 20:46:35,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:35,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:35,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:35,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:35,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:35,540 INFO L87 Difference]: Start difference. First operand 754 states and 1219 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:36,912 INFO L93 Difference]: Finished difference Result 1963 states and 3225 transitions. [2024-11-11 20:46:36,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:36,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-11 20:46:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:36,918 INFO L225 Difference]: With dead ends: 1963 [2024-11-11 20:46:36,918 INFO L226 Difference]: Without dead ends: 1277 [2024-11-11 20:46:36,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:36,921 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1296 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:36,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 856 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:36,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-11 20:46:36,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1079. [2024-11-11 20:46:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 851 states have (on average 1.5875440658049353) internal successors, (1351), 858 states have internal predecessors, (1351), 200 states have call successors, (200), 23 states have call predecessors, (200), 27 states have return successors, (231), 199 states have call predecessors, (231), 199 states have call successors, (231) [2024-11-11 20:46:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1782 transitions. [2024-11-11 20:46:36,961 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1782 transitions. Word has length 146 [2024-11-11 20:46:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:36,961 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1782 transitions. [2024-11-11 20:46:36,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1782 transitions. [2024-11-11 20:46:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-11 20:46:36,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:36,966 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-11 20:46:36,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 20:46:36,966 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:36,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:36,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1634004674, now seen corresponding path program 1 times [2024-11-11 20:46:36,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:36,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384761967] [2024-11-11 20:46:36,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:36,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:46:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:46:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:46:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:46:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:46:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:46:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:46:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:46:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-11 20:46:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-11 20:46:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-11 20:46:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:37,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:37,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384761967] [2024-11-11 20:46:37,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384761967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:37,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:37,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:37,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538632485] [2024-11-11 20:46:37,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:37,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:37,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:37,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:37,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:37,081 INFO L87 Difference]: Start difference. First operand 1079 states and 1782 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:38,476 INFO L93 Difference]: Finished difference Result 2743 states and 4574 transitions. [2024-11-11 20:46:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:38,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-11-11 20:46:38,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:38,485 INFO L225 Difference]: With dead ends: 2743 [2024-11-11 20:46:38,485 INFO L226 Difference]: Without dead ends: 1785 [2024-11-11 20:46:38,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:38,488 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1294 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:38,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 819 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:38,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2024-11-11 20:46:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1587. [2024-11-11 20:46:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1264 states have (on average 1.5996835443037976) internal successors, (2022), 1271 states have internal predecessors, (2022), 295 states have call successors, (295), 23 states have call predecessors, (295), 27 states have return successors, (326), 294 states have call predecessors, (326), 294 states have call successors, (326) [2024-11-11 20:46:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2643 transitions. [2024-11-11 20:46:38,631 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2643 transitions. Word has length 147 [2024-11-11 20:46:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:38,632 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2643 transitions. [2024-11-11 20:46:38,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2643 transitions. [2024-11-11 20:46:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-11 20:46:38,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:38,647 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:38,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 20:46:38,647 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:38,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1281911896, now seen corresponding path program 1 times [2024-11-11 20:46:38,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:38,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289591102] [2024-11-11 20:46:38,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:38,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:46:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:46:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:46:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:46:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:46:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:46:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:46:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:46:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 20:46:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 20:46:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 20:46:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:38,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:38,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289591102] [2024-11-11 20:46:38,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289591102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:38,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:38,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:38,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890520399] [2024-11-11 20:46:38,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:38,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:38,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:38,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:38,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:38,813 INFO L87 Difference]: Start difference. First operand 1587 states and 2643 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:40,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:40,212 INFO L93 Difference]: Finished difference Result 3895 states and 6583 transitions. [2024-11-11 20:46:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:40,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-11-11 20:46:40,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:40,246 INFO L225 Difference]: With dead ends: 3895 [2024-11-11 20:46:40,246 INFO L226 Difference]: Without dead ends: 2554 [2024-11-11 20:46:40,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:40,249 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 1292 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:40,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 811 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2024-11-11 20:46:40,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2356. [2024-11-11 20:46:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 1910 states have (on average 1.6089005235602094) internal successors, (3073), 1917 states have internal predecessors, (3073), 418 states have call successors, (418), 23 states have call predecessors, (418), 27 states have return successors, (465), 417 states have call predecessors, (465), 417 states have call successors, (465) [2024-11-11 20:46:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3956 transitions. [2024-11-11 20:46:40,311 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3956 transitions. Word has length 148 [2024-11-11 20:46:40,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:40,312 INFO L471 AbstractCegarLoop]: Abstraction has 2356 states and 3956 transitions. [2024-11-11 20:46:40,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:40,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3956 transitions. [2024-11-11 20:46:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-11 20:46:40,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:40,319 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-11 20:46:40,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 20:46:40,319 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:40,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:40,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1639506049, now seen corresponding path program 1 times [2024-11-11 20:46:40,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:40,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630535468] [2024-11-11 20:46:40,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:46:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:46:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:46:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 20:46:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:46:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:46:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:46:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 20:46:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-11 20:46:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 20:46:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 20:46:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:40,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630535468] [2024-11-11 20:46:40,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630535468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:40,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:40,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698288751] [2024-11-11 20:46:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:40,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:40,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:40,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:40,417 INFO L87 Difference]: Start difference. First operand 2356 states and 3956 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:41,930 INFO L93 Difference]: Finished difference Result 5689 states and 9717 transitions. [2024-11-11 20:46:41,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:41,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-11 20:46:41,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:41,946 INFO L225 Difference]: With dead ends: 5689 [2024-11-11 20:46:41,946 INFO L226 Difference]: Without dead ends: 3783 [2024-11-11 20:46:41,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:41,951 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1290 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:41,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 814 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:46:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2024-11-11 20:46:42,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3585. [2024-11-11 20:46:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 2960 states have (on average 1.614864864864865) internal successors, (4780), 2967 states have internal predecessors, (4780), 597 states have call successors, (597), 23 states have call predecessors, (597), 27 states have return successors, (670), 596 states have call predecessors, (670), 596 states have call successors, (670) [2024-11-11 20:46:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 6047 transitions. [2024-11-11 20:46:42,061 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 6047 transitions. Word has length 149 [2024-11-11 20:46:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:42,061 INFO L471 AbstractCegarLoop]: Abstraction has 3585 states and 6047 transitions. [2024-11-11 20:46:42,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 6047 transitions. [2024-11-11 20:46:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-11 20:46:42,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:42,073 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:42,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 20:46:42,073 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:42,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:42,074 INFO L85 PathProgramCache]: Analyzing trace with hash 445863980, now seen corresponding path program 1 times [2024-11-11 20:46:42,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:42,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44666871] [2024-11-11 20:46:42,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:42,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 20:46:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:46:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-11 20:46:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:46:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:46:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:46:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:46:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-11 20:46:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 20:46:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 20:46:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 20:46:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:42,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:42,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44666871] [2024-11-11 20:46:42,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44666871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:42,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:42,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:42,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656323697] [2024-11-11 20:46:42,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:42,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:42,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:42,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:42,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:42,165 INFO L87 Difference]: Start difference. First operand 3585 states and 6047 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:43,743 INFO L93 Difference]: Finished difference Result 8637 states and 14864 transitions. [2024-11-11 20:46:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:43,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-11 20:46:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:43,792 INFO L225 Difference]: With dead ends: 8637 [2024-11-11 20:46:43,795 INFO L226 Difference]: Without dead ends: 5814 [2024-11-11 20:46:43,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:43,814 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 1288 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:43,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 864 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:46:43,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2024-11-11 20:46:44,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5616. [2024-11-11 20:46:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 4615 states have (on average 1.610400866738895) internal successors, (7432), 4622 states have internal predecessors, (7432), 973 states have call successors, (973), 23 states have call predecessors, (973), 27 states have return successors, (1090), 972 states have call predecessors, (1090), 972 states have call successors, (1090) [2024-11-11 20:46:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 9495 transitions. [2024-11-11 20:46:44,093 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 9495 transitions. Word has length 150 [2024-11-11 20:46:44,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:44,094 INFO L471 AbstractCegarLoop]: Abstraction has 5616 states and 9495 transitions. [2024-11-11 20:46:44,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 9495 transitions. [2024-11-11 20:46:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-11 20:46:44,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:44,118 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:44,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 20:46:44,118 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:44,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:44,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1000804355, now seen corresponding path program 1 times [2024-11-11 20:46:44,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:44,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398966432] [2024-11-11 20:46:44,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:44,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:46:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:46:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:46:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:46:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:46:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-11 20:46:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 20:46:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 20:46:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 20:46:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 20:46:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 20:46:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:44,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:44,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398966432] [2024-11-11 20:46:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398966432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:44,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:44,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:44,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775171917] [2024-11-11 20:46:44,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:44,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:44,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:44,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:44,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:44,253 INFO L87 Difference]: Start difference. First operand 5616 states and 9495 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:45,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:45,813 INFO L93 Difference]: Finished difference Result 13974 states and 24085 transitions. [2024-11-11 20:46:45,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:45,813 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-11-11 20:46:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:45,847 INFO L225 Difference]: With dead ends: 13974 [2024-11-11 20:46:45,848 INFO L226 Difference]: Without dead ends: 9497 [2024-11-11 20:46:45,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:45,859 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1286 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:45,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 819 Invalid, 2137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:45,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9497 states. [2024-11-11 20:46:46,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9497 to 9299. [2024-11-11 20:46:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9299 states, 7692 states have (on average 1.609204368174727) internal successors, (12378), 7699 states have internal predecessors, (12378), 1579 states have call successors, (1579), 23 states have call predecessors, (1579), 27 states have return successors, (1774), 1578 states have call predecessors, (1774), 1578 states have call successors, (1774) [2024-11-11 20:46:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9299 states to 9299 states and 15731 transitions. [2024-11-11 20:46:46,111 INFO L78 Accepts]: Start accepts. Automaton has 9299 states and 15731 transitions. Word has length 151 [2024-11-11 20:46:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:46,112 INFO L471 AbstractCegarLoop]: Abstraction has 9299 states and 15731 transitions. [2024-11-11 20:46:46,112 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 9299 states and 15731 transitions. [2024-11-11 20:46:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-11 20:46:46,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:46,141 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:46,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 20:46:46,141 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:46,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:46,142 INFO L85 PathProgramCache]: Analyzing trace with hash 889735870, now seen corresponding path program 1 times [2024-11-11 20:46:46,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:46,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797655962] [2024-11-11 20:46:46,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:46,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:46:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:46:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-11 20:46:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:46:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 20:46:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 20:46:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:46:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 20:46:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-11 20:46:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-11 20:46:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 20:46:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:46,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797655962] [2024-11-11 20:46:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797655962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:46,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:46,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796394113] [2024-11-11 20:46:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:46,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:46,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:46,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:46,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:46,271 INFO L87 Difference]: Start difference. First operand 9299 states and 15731 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:47,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:47,920 INFO L93 Difference]: Finished difference Result 24158 states and 41631 transitions. [2024-11-11 20:46:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:47,921 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-11 20:46:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:47,972 INFO L225 Difference]: With dead ends: 24158 [2024-11-11 20:46:47,972 INFO L226 Difference]: Without dead ends: 16450 [2024-11-11 20:46:47,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:47,995 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 1284 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:47,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 896 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:48,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16450 states. [2024-11-11 20:46:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16450 to 16252. [2024-11-11 20:46:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 13442 states have (on average 1.6009522392501117) internal successors, (21520), 13449 states have internal predecessors, (21520), 2782 states have call successors, (2782), 23 states have call predecessors, (2782), 27 states have return successors, (3121), 2781 states have call predecessors, (3121), 2781 states have call successors, (3121) [2024-11-11 20:46:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 27423 transitions. [2024-11-11 20:46:48,584 INFO L78 Accepts]: Start accepts. Automaton has 16252 states and 27423 transitions. Word has length 152 [2024-11-11 20:46:48,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:48,584 INFO L471 AbstractCegarLoop]: Abstraction has 16252 states and 27423 transitions. [2024-11-11 20:46:48,584 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 16252 states and 27423 transitions. [2024-11-11 20:46:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-11 20:46:48,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:48,615 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:48,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 20:46:48,615 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:48,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:48,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1224471708, now seen corresponding path program 1 times [2024-11-11 20:46:48,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:48,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367167536] [2024-11-11 20:46:48,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:48,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:46:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:46:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 20:46:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:46:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-11 20:46:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:46:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:46:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 20:46:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-11 20:46:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-11 20:46:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-11 20:46:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:48,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:48,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367167536] [2024-11-11 20:46:48,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367167536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:48,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:48,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:48,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934512138] [2024-11-11 20:46:48,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:48,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:48,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:48,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:48,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:48,692 INFO L87 Difference]: Start difference. First operand 16252 states and 27423 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:50,609 INFO L93 Difference]: Finished difference Result 43124 states and 74230 transitions. [2024-11-11 20:46:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:50,609 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-11 20:46:50,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:50,701 INFO L225 Difference]: With dead ends: 43124 [2024-11-11 20:46:50,701 INFO L226 Difference]: Without dead ends: 29105 [2024-11-11 20:46:50,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:50,732 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1282 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:50,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 815 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:50,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29105 states. [2024-11-11 20:46:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29105 to 28907. [2024-11-11 20:46:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28907 states, 24058 states have (on average 1.597140244409344) internal successors, (38424), 24065 states have internal predecessors, (38424), 4821 states have call successors, (4821), 23 states have call predecessors, (4821), 27 states have return successors, (5434), 4820 states have call predecessors, (5434), 4820 states have call successors, (5434) [2024-11-11 20:46:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28907 states to 28907 states and 48679 transitions. [2024-11-11 20:46:51,781 INFO L78 Accepts]: Start accepts. Automaton has 28907 states and 48679 transitions. Word has length 153 [2024-11-11 20:46:51,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:51,782 INFO L471 AbstractCegarLoop]: Abstraction has 28907 states and 48679 transitions. [2024-11-11 20:46:51,782 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 28907 states and 48679 transitions. [2024-11-11 20:46:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-11 20:46:51,827 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:51,828 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:51,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 20:46:51,828 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:51,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:51,828 INFO L85 PathProgramCache]: Analyzing trace with hash -413558180, now seen corresponding path program 1 times [2024-11-11 20:46:51,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:51,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968287488] [2024-11-11 20:46:51,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:51,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:46:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:46:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:46:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:46:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:46:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:46:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:46:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-11 20:46:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 20:46:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 20:46:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 20:46:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:51,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:51,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968287488] [2024-11-11 20:46:51,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968287488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:51,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:51,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:51,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440615925] [2024-11-11 20:46:51,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:51,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:51,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:51,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:51,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:51,967 INFO L87 Difference]: Start difference. First operand 28907 states and 48679 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:54,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:46:54,624 INFO L93 Difference]: Finished difference Result 78886 states and 134989 transitions. [2024-11-11 20:46:54,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:46:54,625 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2024-11-11 20:46:54,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:46:54,814 INFO L225 Difference]: With dead ends: 78886 [2024-11-11 20:46:54,815 INFO L226 Difference]: Without dead ends: 52984 [2024-11-11 20:46:54,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:46:54,886 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 1280 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:46:54,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 860 Invalid, 2150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 20:46:54,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52984 states. [2024-11-11 20:46:56,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52984 to 52786. [2024-11-11 20:46:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52786 states, 44222 states have (on average 1.5918095065804352) internal successors, (70393), 44229 states have internal predecessors, (70393), 8536 states have call successors, (8536), 23 states have call predecessors, (8536), 27 states have return successors, (9681), 8535 states have call predecessors, (9681), 8535 states have call successors, (9681) [2024-11-11 20:46:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52786 states to 52786 states and 88610 transitions. [2024-11-11 20:46:56,602 INFO L78 Accepts]: Start accepts. Automaton has 52786 states and 88610 transitions. Word has length 154 [2024-11-11 20:46:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:46:56,603 INFO L471 AbstractCegarLoop]: Abstraction has 52786 states and 88610 transitions. [2024-11-11 20:46:56,603 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:46:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 52786 states and 88610 transitions. [2024-11-11 20:46:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-11 20:46:56,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:46:56,996 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:46:56,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 20:46:56,996 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:46:56,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:46:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash -59364804, now seen corresponding path program 1 times [2024-11-11 20:46:56,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:46:56,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860194365] [2024-11-11 20:46:56,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:46:56,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:46:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:46:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:46:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:46:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:46:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:46:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:46:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:46:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:46:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:46:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:46:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:46:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:46:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:46:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 20:46:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-11 20:46:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-11 20:46:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-11 20:46:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:46:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-11 20:46:57,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:46:57,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860194365] [2024-11-11 20:46:57,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860194365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:46:57,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:46:57,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:46:57,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549481248] [2024-11-11 20:46:57,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:46:57,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:46:57,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:46:57,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:46:57,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:46:57,106 INFO L87 Difference]: Start difference. First operand 52786 states and 88610 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:47:00,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:47:00,095 INFO L93 Difference]: Finished difference Result 98657 states and 169176 transitions. [2024-11-11 20:47:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:47:00,095 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-11 20:47:00,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:47:00,692 INFO L225 Difference]: With dead ends: 98657 [2024-11-11 20:47:00,692 INFO L226 Difference]: Without dead ends: 98443 [2024-11-11 20:47:00,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 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 20:47:00,722 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 1275 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:47:00,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 852 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-11 20:47:00,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98443 states. [2024-11-11 20:47:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98443 to 98245. [2024-11-11 20:47:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98245 states, 82882 states have (on average 1.58494003523081) internal successors, (131363), 82889 states have internal predecessors, (131363), 15335 states have call successors, (15335), 23 states have call predecessors, (15335), 27 states have return successors, (17526), 15334 states have call predecessors, (17526), 15334 states have call successors, (17526) [2024-11-11 20:47:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98245 states to 98245 states and 164224 transitions. [2024-11-11 20:47:04,160 INFO L78 Accepts]: Start accepts. Automaton has 98245 states and 164224 transitions. Word has length 155 [2024-11-11 20:47:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:47:04,161 INFO L471 AbstractCegarLoop]: Abstraction has 98245 states and 164224 transitions. [2024-11-11 20:47:04,161 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-11 20:47:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 98245 states and 164224 transitions. [2024-11-11 20:47:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-11 20:47:04,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:47:04,232 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 20:47:04,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 20:47:04,232 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:47:04,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:47:04,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1939624509, now seen corresponding path program 1 times [2024-11-11 20:47:04,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:47:04,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284230933] [2024-11-11 20:47:04,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:47:04,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:47:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:47:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:47:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:47:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:47:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:47:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:47:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:47:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:47:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:47:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:47:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:47:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:47:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 20:47:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-11 20:47:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 20:47:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 20:47:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 20:47:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-11 20:47:04,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:47:04,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284230933] [2024-11-11 20:47:04,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284230933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:47:04,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939090915] [2024-11-11 20:47:04,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:47:04,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:47:04,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:47:04,594 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:47:04,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-11 20:47:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:47:05,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-11 20:47:05,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:47:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-11 20:47:05,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:47:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-11 20:47:05,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939090915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:47:05,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:47:05,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-11-11 20:47:05,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717531556] [2024-11-11 20:47:05,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:47:05,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-11 20:47:05,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:47:05,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-11 20:47:05,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2024-11-11 20:47:05,783 INFO L87 Difference]: Start difference. First operand 98245 states and 164224 transitions. Second operand has 32 states, 30 states have (on average 8.466666666666667) internal successors, (254), 24 states have internal predecessors, (254), 9 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (44), 11 states have call predecessors, (44), 9 states have call successors, (44) [2024-11-11 20:47:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:47:38,142 INFO L93 Difference]: Finished difference Result 588438 states and 1032489 transitions. [2024-11-11 20:47:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-11-11 20:47:38,142 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 8.466666666666667) internal successors, (254), 24 states have internal predecessors, (254), 9 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (44), 11 states have call predecessors, (44), 9 states have call successors, (44) Word has length 156 [2024-11-11 20:47:38,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:47:41,384 INFO L225 Difference]: With dead ends: 588438 [2024-11-11 20:47:41,384 INFO L226 Difference]: Without dead ends: 588228 [2024-11-11 20:47:41,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10096 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3820, Invalid=25936, Unknown=0, NotChecked=0, Total=29756 [2024-11-11 20:47:41,660 INFO L435 NwaCegarLoop]: 610 mSDtfsCounter, 7152 mSDsluCounter, 12322 mSDsCounter, 0 mSdLazyCounter, 32583 mSolverCounterSat, 2426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7176 SdHoareTripleChecker+Valid, 12932 SdHoareTripleChecker+Invalid, 35009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2426 IncrementalHoareTripleChecker+Valid, 32583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:47:41,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7176 Valid, 12932 Invalid, 35009 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2426 Valid, 32583 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2024-11-11 20:47:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588228 states.