./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product33.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 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 02:50:58,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 02:50:58,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 02:50:58,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 02:50:58,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 02:50:58,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 02:50:58,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 02:50:58,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 02:50:58,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 02:50:58,230 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 02:50:58,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 02:50:58,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 02:50:58,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 02:50:58,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 02:50:58,232 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 02:50:58,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 02:50:58,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 02:50:58,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 02:50:58,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 02:50:58,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 02:50:58,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 02:50:58,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 02:50:58,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 02:50:58,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 02:50:58,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 02:50:58,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 02:50:58,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 02:50:58,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 02:50:58,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 02:50:58,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 02:50:58,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 02:50:58,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 02:50:58,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:50:58,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 02:50:58,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 02:50:58,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 02:50:58,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 02:50:58,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 02:50:58,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 02:50:58,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 02:50:58,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 02:50:58,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 02:50:58,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd [2024-10-14 02:50:58,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 02:50:58,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 02:50:58,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 02:50:58,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 02:50:58,484 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 02:50:58,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2024-10-14 02:50:59,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 02:50:59,956 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 02:50:59,957 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2024-10-14 02:50:59,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df74aaff/f8342d48bc0a45649828eda52cb88ade/FLAG432581bb9 [2024-10-14 02:50:59,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df74aaff/f8342d48bc0a45649828eda52cb88ade [2024-10-14 02:50:59,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 02:50:59,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 02:50:59,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 02:50:59,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 02:50:59,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 02:50:59,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:51:00,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78272862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59, skipping insertion in model container [2024-10-14 02:51:00,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:51:00,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 02:51:00,308 WARN L248 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_spec0_product33.cil.c[31228,31241] [2024-10-14 02:51:00,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:51:00,431 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 02:51:00,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-10-14 02:51:00,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1128] [2024-10-14 02:51:00,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1288] [2024-10-14 02:51:00,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1326] [2024-10-14 02:51:00,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1335] [2024-10-14 02:51:00,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1355] [2024-10-14 02:51:00,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1751] [2024-10-14 02:51:00,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1768] [2024-10-14 02:51:00,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2165] [2024-10-14 02:51:00,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2531] [2024-10-14 02:51:00,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2827] [2024-10-14 02:51:00,485 WARN L248 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_spec0_product33.cil.c[31228,31241] [2024-10-14 02:51:00,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:51:00,556 INFO L204 MainTranslator]: Completed translation [2024-10-14 02:51:00,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00 WrapperNode [2024-10-14 02:51:00,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 02:51:00,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 02:51:00,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 02:51:00,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 02:51:00,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,619 INFO L138 Inliner]: procedures = 134, calls = 211, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1070 [2024-10-14 02:51:00,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 02:51:00,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 02:51:00,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 02:51:00,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 02:51:00,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,661 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]. [2024-10-14 02:51:00,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 02:51:00,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 02:51:00,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 02:51:00,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 02:51:00,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (1/1) ... [2024-10-14 02:51:00,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:51:00,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:00,748 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) [2024-10-14 02:51:00,750 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 [2024-10-14 02:51:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-14 02:51:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-14 02:51:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 02:51:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 02:51:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 02:51:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 02:51:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 02:51:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 02:51:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 02:51:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 02:51:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-14 02:51:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-14 02:51:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 02:51:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 02:51:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 02:51:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 02:51:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-14 02:51:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-14 02:51:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 02:51:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 02:51:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 02:51:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 02:51:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-14 02:51:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-14 02:51:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 02:51:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 02:51:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 02:51:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 02:51:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 02:51:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 02:51:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 02:51:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 02:51:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 02:51:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 02:51:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 02:51:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 02:51:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 02:51:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 02:51:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 02:51:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 02:51:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 02:51:01,013 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 02:51:01,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 02:51:01,685 INFO L? ?]: Removed 497 outVars from TransFormulas that were not future-live. [2024-10-14 02:51:01,685 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 02:51:01,770 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 02:51:01,773 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 02:51:01,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:01 BoogieIcfgContainer [2024-10-14 02:51:01,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 02:51:01,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 02:51:01,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 02:51:01,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 02:51:01,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:50:59" (1/3) ... [2024-10-14 02:51:01,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a29a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:51:01, skipping insertion in model container [2024-10-14 02:51:01,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:00" (2/3) ... [2024-10-14 02:51:01,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a29a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:51:01, skipping insertion in model container [2024-10-14 02:51:01,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:01" (3/3) ... [2024-10-14 02:51:01,782 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product33.cil.c [2024-10-14 02:51:01,796 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 02:51:01,796 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 02:51:01,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 02:51:01,868 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;@467c29cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 02:51:01,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 02:51:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 354 states, 266 states have (on average 1.5601503759398496) internal successors, (415), 270 states have internal predecessors, (415), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 02:51:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-14 02:51:01,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:01,896 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:01,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:01,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2127152086, now seen corresponding path program 1 times [2024-10-14 02:51:01,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:01,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946439628] [2024-10-14 02:51:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:01,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 02:51:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 02:51:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:51:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:51:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:51:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 02:51:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:51:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:51:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:51:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:51:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-14 02:51:02,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946439628] [2024-10-14 02:51:02,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946439628] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:02,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885873159] [2024-10-14 02:51:02,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:02,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:02,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:02,604 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) [2024-10-14 02:51:02,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 02:51:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 02:51:02,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-14 02:51:02,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885873159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:02,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:02,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 02:51:02,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671177143] [2024-10-14 02:51:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:02,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 02:51:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:02,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 02:51:02,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:02,976 INFO L87 Difference]: Start difference. First operand has 354 states, 266 states have (on average 1.5601503759398496) internal successors, (415), 270 states have internal predecessors, (415), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:03,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:03,059 INFO L93 Difference]: Finished difference Result 559 states and 834 transitions. [2024-10-14 02:51:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 02:51:03,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 141 [2024-10-14 02:51:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:03,073 INFO L225 Difference]: With dead ends: 559 [2024-10-14 02:51:03,073 INFO L226 Difference]: Without dead ends: 351 [2024-10-14 02:51:03,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:03,080 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:03,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:51:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-14 02:51:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2024-10-14 02:51:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 264 states have (on average 1.5454545454545454) internal successors, (408), 267 states have internal predecessors, (408), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-14 02:51:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 531 transitions. [2024-10-14 02:51:03,130 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 531 transitions. Word has length 141 [2024-10-14 02:51:03,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:03,131 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 531 transitions. [2024-10-14 02:51:03,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 531 transitions. [2024-10-14 02:51:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 02:51:03,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:03,141 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:03,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 02:51:03,342 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 [2024-10-14 02:51:03,342 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:03,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:03,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1477666789, now seen corresponding path program 1 times [2024-10-14 02:51:03,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:03,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608223354] [2024-10-14 02:51:03,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 02:51:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 02:51:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:51:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:51:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:51:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:51:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:51:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 02:51:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 02:51:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-14 02:51:03,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:03,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608223354] [2024-10-14 02:51:03,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608223354] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:03,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642649379] [2024-10-14 02:51:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:03,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:03,609 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) [2024-10-14 02:51:03,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 02:51:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 02:51:03,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-14 02:51:03,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:03,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642649379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:03,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:51:03,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380484203] [2024-10-14 02:51:03,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:03,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:51:03,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:03,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:51:03,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:03,910 INFO L87 Difference]: Start difference. First operand 351 states and 531 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:03,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:03,962 INFO L93 Difference]: Finished difference Result 555 states and 821 transitions. [2024-10-14 02:51:03,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:51:03,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2024-10-14 02:51:03,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:03,965 INFO L225 Difference]: With dead ends: 555 [2024-10-14 02:51:03,965 INFO L226 Difference]: Without dead ends: 353 [2024-10-14 02:51:03,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:03,969 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 0 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:03,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1027 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:51:03,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-10-14 02:51:03,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-10-14 02:51:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 266 states have (on average 1.5413533834586466) internal successors, (410), 269 states have internal predecessors, (410), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-14 02:51:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 533 transitions. [2024-10-14 02:51:04,002 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 533 transitions. Word has length 142 [2024-10-14 02:51:04,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:04,002 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 533 transitions. [2024-10-14 02:51:04,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 533 transitions. [2024-10-14 02:51:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 02:51:04,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:04,006 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:04,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 02:51:04,207 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 [2024-10-14 02:51:04,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:04,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:04,208 INFO L85 PathProgramCache]: Analyzing trace with hash 49868154, now seen corresponding path program 1 times [2024-10-14 02:51:04,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:04,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023614556] [2024-10-14 02:51:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:04,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 02:51:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:51:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:51:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:51:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 02:51:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 02:51:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:51:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:51:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 02:51:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:51:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 02:51:04,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:04,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023614556] [2024-10-14 02:51:04,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023614556] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:04,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143433829] [2024-10-14 02:51:04,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:04,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:04,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:04,446 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) [2024-10-14 02:51:04,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 02:51:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 02:51:04,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-14 02:51:04,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:04,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143433829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:04,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:04,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:51:04,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345615337] [2024-10-14 02:51:04,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:04,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:51:04,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:04,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:51:04,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:04,716 INFO L87 Difference]: Start difference. First operand 353 states and 533 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:04,773 INFO L93 Difference]: Finished difference Result 740 states and 1132 transitions. [2024-10-14 02:51:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:51:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2024-10-14 02:51:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:04,778 INFO L225 Difference]: With dead ends: 740 [2024-10-14 02:51:04,778 INFO L226 Difference]: Without dead ends: 409 [2024-10-14 02:51:04,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:04,782 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 109 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:04,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 994 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:51:04,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-14 02:51:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 404. [2024-10-14 02:51:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 306 states have (on average 1.5588235294117647) internal successors, (477), 309 states have internal predecessors, (477), 73 states have call successors, (73), 24 states have call predecessors, (73), 24 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-14 02:51:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 622 transitions. [2024-10-14 02:51:04,802 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 622 transitions. Word has length 149 [2024-10-14 02:51:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:04,802 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 622 transitions. [2024-10-14 02:51:04,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 622 transitions. [2024-10-14 02:51:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 02:51:04,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:04,805 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:04,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 02:51:05,005 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 [2024-10-14 02:51:05,006 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:05,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:05,007 INFO L85 PathProgramCache]: Analyzing trace with hash 5229475, now seen corresponding path program 1 times [2024-10-14 02:51:05,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:05,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586855985] [2024-10-14 02:51:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:05,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:51:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:51:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:51:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:51:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:51:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:51:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 02:51:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:51:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 02:51:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 02:51:05,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:05,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586855985] [2024-10-14 02:51:05,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586855985] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:05,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858164845] [2024-10-14 02:51:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:05,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:05,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:05,239 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) [2024-10-14 02:51:05,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 02:51:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 02:51:05,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-14 02:51:05,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:05,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858164845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:05,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:05,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 02:51:05,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049783178] [2024-10-14 02:51:05,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:05,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:51:05,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:05,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:51:05,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:05,534 INFO L87 Difference]: Start difference. First operand 404 states and 622 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:05,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:05,623 INFO L93 Difference]: Finished difference Result 803 states and 1238 transitions. [2024-10-14 02:51:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:51:05,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-10-14 02:51:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:05,625 INFO L225 Difference]: With dead ends: 803 [2024-10-14 02:51:05,625 INFO L226 Difference]: Without dead ends: 406 [2024-10-14 02:51:05,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:05,628 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 2 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:05,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2013 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:51:05,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-14 02:51:05,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-10-14 02:51:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 307 states have (on average 1.5570032573289903) internal successors, (478), 311 states have internal predecessors, (478), 73 states have call successors, (73), 24 states have call predecessors, (73), 25 states have return successors, (74), 72 states have call predecessors, (74), 72 states have call successors, (74) [2024-10-14 02:51:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 625 transitions. [2024-10-14 02:51:05,649 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 625 transitions. Word has length 150 [2024-10-14 02:51:05,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:05,650 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 625 transitions. [2024-10-14 02:51:05,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 625 transitions. [2024-10-14 02:51:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 02:51:05,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:05,652 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:05,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 02:51:05,853 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 [2024-10-14 02:51:05,853 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:05,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash 92685548, now seen corresponding path program 1 times [2024-10-14 02:51:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:05,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497636208] [2024-10-14 02:51:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:05,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:51:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 02:51:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 02:51:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:51:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:51:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:51:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:51:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:51:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:51:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:51:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:51:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 02:51:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 02:51:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 02:51:06,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497636208] [2024-10-14 02:51:06,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497636208] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137657116] [2024-10-14 02:51:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:06,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:06,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:06,095 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) [2024-10-14 02:51:06,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 02:51:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 02:51:06,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-14 02:51:06,399 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:06,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137657116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:06,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:06,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 02:51:06,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417516027] [2024-10-14 02:51:06,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:06,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:51:06,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:06,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:51:06,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:51:06,401 INFO L87 Difference]: Start difference. First operand 406 states and 625 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:06,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:06,486 INFO L93 Difference]: Finished difference Result 805 states and 1243 transitions. [2024-10-14 02:51:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:51:06,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 151 [2024-10-14 02:51:06,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:06,490 INFO L225 Difference]: With dead ends: 805 [2024-10-14 02:51:06,490 INFO L226 Difference]: Without dead ends: 408 [2024-10-14 02:51:06,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:51:06,491 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 2 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:06,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1999 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:51:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-14 02:51:06,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2024-10-14 02:51:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 308 states have (on average 1.5551948051948052) internal successors, (479), 313 states have internal predecessors, (479), 73 states have call successors, (73), 24 states have call predecessors, (73), 26 states have return successors, (79), 72 states have call predecessors, (79), 72 states have call successors, (79) [2024-10-14 02:51:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 631 transitions. [2024-10-14 02:51:06,514 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 631 transitions. Word has length 151 [2024-10-14 02:51:06,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:06,514 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 631 transitions. [2024-10-14 02:51:06,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 631 transitions. [2024-10-14 02:51:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 02:51:06,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:06,517 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:06,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 02:51:06,718 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 [2024-10-14 02:51:06,719 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:06,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1833158924, now seen corresponding path program 1 times [2024-10-14 02:51:06,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:06,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568897142] [2024-10-14 02:51:06,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:06,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 02:51:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 02:51:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 02:51:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:51:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:51:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:51:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:51:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:51:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:51:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 02:51:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-14 02:51:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 02:51:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 02:51:06,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:06,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568897142] [2024-10-14 02:51:06,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568897142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:06,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:06,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 02:51:06,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228472163] [2024-10-14 02:51:06,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:06,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 02:51:06,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:06,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 02:51:06,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:06,902 INFO L87 Difference]: Start difference. First operand 408 states and 631 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:08,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:08,769 INFO L93 Difference]: Finished difference Result 985 states and 1538 transitions. [2024-10-14 02:51:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:51:08,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 152 [2024-10-14 02:51:08,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:08,775 INFO L225 Difference]: With dead ends: 985 [2024-10-14 02:51:08,775 INFO L226 Difference]: Without dead ends: 596 [2024-10-14 02:51:08,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:51:08,777 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1222 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 2906 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 3364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 2906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:08,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 1016 Invalid, 3364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 2906 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 02:51:08,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-14 02:51:08,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 408. [2024-10-14 02:51:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 308 states have (on average 1.5551948051948052) internal successors, (479), 313 states have internal predecessors, (479), 73 states have call successors, (73), 24 states have call predecessors, (73), 26 states have return successors, (78), 72 states have call predecessors, (78), 72 states have call successors, (78) [2024-10-14 02:51:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 630 transitions. [2024-10-14 02:51:08,805 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 630 transitions. Word has length 152 [2024-10-14 02:51:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:08,805 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 630 transitions. [2024-10-14 02:51:08,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 630 transitions. [2024-10-14 02:51:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 02:51:08,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:08,807 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:08,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 02:51:08,808 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:08,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:08,808 INFO L85 PathProgramCache]: Analyzing trace with hash -251128393, now seen corresponding path program 2 times [2024-10-14 02:51:08,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:08,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716009269] [2024-10-14 02:51:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:08,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 02:51:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 02:51:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:51:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:51:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:51:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:51:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:51:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:51:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:51:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 02:51:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 02:51:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 02:51:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 02:51:08,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:08,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716009269] [2024-10-14 02:51:08,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716009269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:08,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:08,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 02:51:08,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830348209] [2024-10-14 02:51:08,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:08,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 02:51:08,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:08,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 02:51:08,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:08,990 INFO L87 Difference]: Start difference. First operand 408 states and 630 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:10,670 INFO L93 Difference]: Finished difference Result 987 states and 1541 transitions. [2024-10-14 02:51:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:51:10,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2024-10-14 02:51:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:10,674 INFO L225 Difference]: With dead ends: 987 [2024-10-14 02:51:10,674 INFO L226 Difference]: Without dead ends: 598 [2024-10-14 02:51:10,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:51:10,675 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1307 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 2763 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 3242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 2763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:10,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1016 Invalid, 3242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 2763 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 02:51:10,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-14 02:51:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 410. [2024-10-14 02:51:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 309 states have (on average 1.5533980582524272) internal successors, (480), 315 states have internal predecessors, (480), 73 states have call successors, (73), 24 states have call predecessors, (73), 27 states have return successors, (80), 72 states have call predecessors, (80), 72 states have call successors, (80) [2024-10-14 02:51:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 633 transitions. [2024-10-14 02:51:10,700 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 633 transitions. Word has length 153 [2024-10-14 02:51:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:10,701 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 633 transitions. [2024-10-14 02:51:10,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-14 02:51:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 633 transitions. [2024-10-14 02:51:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 02:51:10,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:10,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:10,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 02:51:10,703 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:10,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:10,703 INFO L85 PathProgramCache]: Analyzing trace with hash 876902919, now seen corresponding path program 1 times [2024-10-14 02:51:10,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:10,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138158041] [2024-10-14 02:51:10,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:51:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 02:51:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:51:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:51:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:51:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:51:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 02:51:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:51:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:51:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 02:51:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 02:51:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 02:51:10,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:10,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138158041] [2024-10-14 02:51:10,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138158041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:10,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:10,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:51:10,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66416632] [2024-10-14 02:51:10,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:10,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:51:10,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:10,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:51:10,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:10,889 INFO L87 Difference]: Start difference. First operand 410 states and 633 transitions. Second operand has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-14 02:51:12,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:12,972 INFO L93 Difference]: Finished difference Result 985 states and 1536 transitions. [2024-10-14 02:51:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:51:12,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 154 [2024-10-14 02:51:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:12,976 INFO L225 Difference]: With dead ends: 985 [2024-10-14 02:51:12,976 INFO L226 Difference]: Without dead ends: 598 [2024-10-14 02:51:12,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 02:51:12,978 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1330 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:12,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 1409 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 02:51:12,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-14 02:51:13,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 410. [2024-10-14 02:51:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 309 states have (on average 1.5533980582524272) internal successors, (480), 315 states have internal predecessors, (480), 73 states have call successors, (73), 24 states have call predecessors, (73), 27 states have return successors, (79), 72 states have call predecessors, (79), 72 states have call successors, (79) [2024-10-14 02:51:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 632 transitions. [2024-10-14 02:51:13,019 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 632 transitions. Word has length 154 [2024-10-14 02:51:13,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:13,019 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 632 transitions. [2024-10-14 02:51:13,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-14 02:51:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 632 transitions. [2024-10-14 02:51:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 02:51:13,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:13,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:13,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 02:51:13,022 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:13,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:13,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1425161559, now seen corresponding path program 2 times [2024-10-14 02:51:13,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:13,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353345861] [2024-10-14 02:51:13,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:13,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:51:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:51:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:51:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:51:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 02:51:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:51:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:51:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:51:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:51:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 02:51:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 02:51:13,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:13,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353345861] [2024-10-14 02:51:13,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353345861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:13,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:13,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:51:13,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122376224] [2024-10-14 02:51:13,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:13,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:51:13,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:13,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:51:13,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:13,217 INFO L87 Difference]: Start difference. First operand 410 states and 632 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-14 02:51:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:15,177 INFO L93 Difference]: Finished difference Result 987 states and 1542 transitions. [2024-10-14 02:51:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:51:15,177 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 155 [2024-10-14 02:51:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:15,180 INFO L225 Difference]: With dead ends: 987 [2024-10-14 02:51:15,180 INFO L226 Difference]: Without dead ends: 600 [2024-10-14 02:51:15,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 02:51:15,181 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1372 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 4179 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 4704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 4179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:15,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 1410 Invalid, 4704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 4179 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 02:51:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-10-14 02:51:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 412. [2024-10-14 02:51:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 310 states have (on average 1.5516129032258064) internal successors, (481), 317 states have internal predecessors, (481), 73 states have call successors, (73), 24 states have call predecessors, (73), 28 states have return successors, (84), 72 states have call predecessors, (84), 72 states have call successors, (84) [2024-10-14 02:51:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 638 transitions. [2024-10-14 02:51:15,203 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 638 transitions. Word has length 155 [2024-10-14 02:51:15,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:15,203 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 638 transitions. [2024-10-14 02:51:15,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-14 02:51:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 638 transitions. [2024-10-14 02:51:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-14 02:51:15,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:15,205 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:15,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 02:51:15,206 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:15,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:15,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1541159458, now seen corresponding path program 1 times [2024-10-14 02:51:15,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:15,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382875328] [2024-10-14 02:51:15,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:15,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:51:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:51:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:51:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:51:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:51:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:51:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 02:51:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 02:51:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 02:51:15,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382875328] [2024-10-14 02:51:15,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382875328] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063318793] [2024-10-14 02:51:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:15,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:15,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:15,375 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) [2024-10-14 02:51:15,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 02:51:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:15,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 02:51:15,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:15,674 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:51:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:15,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063318793] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:51:15,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:51:15,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-14 02:51:15,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851426965] [2024-10-14 02:51:15,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:51:15,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 02:51:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:15,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 02:51:15,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:51:15,772 INFO L87 Difference]: Start difference. First operand 412 states and 638 transitions. Second operand has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-14 02:51:17,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:17,882 INFO L93 Difference]: Finished difference Result 1336 states and 2188 transitions. [2024-10-14 02:51:17,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 02:51:17,882 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 156 [2024-10-14 02:51:17,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:17,886 INFO L225 Difference]: With dead ends: 1336 [2024-10-14 02:51:17,886 INFO L226 Difference]: Without dead ends: 950 [2024-10-14 02:51:17,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-14 02:51:17,888 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 2458 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 4414 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 5234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 4414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:17,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 1578 Invalid, 5234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 4414 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 02:51:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-10-14 02:51:17,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 747. [2024-10-14 02:51:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 581 states have (on average 1.6075731497418244) internal successors, (934), 588 states have internal predecessors, (934), 137 states have call successors, (137), 24 states have call predecessors, (137), 28 states have return successors, (158), 136 states have call predecessors, (158), 136 states have call successors, (158) [2024-10-14 02:51:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1229 transitions. [2024-10-14 02:51:17,919 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1229 transitions. Word has length 156 [2024-10-14 02:51:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:17,919 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1229 transitions. [2024-10-14 02:51:17,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-14 02:51:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1229 transitions. [2024-10-14 02:51:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-14 02:51:17,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:17,922 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:17,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 02:51:18,123 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 [2024-10-14 02:51:18,123 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:18,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash -494214905, now seen corresponding path program 1 times [2024-10-14 02:51:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:18,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517316187] [2024-10-14 02:51:18,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:18,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:51:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:51:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:51:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:51:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 02:51:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 02:51:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:51:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 02:51:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:51:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 02:51:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 02:51:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:18,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:18,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517316187] [2024-10-14 02:51:18,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517316187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:18,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:18,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:18,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632351329] [2024-10-14 02:51:18,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:18,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:18,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:18,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:18,220 INFO L87 Difference]: Start difference. First operand 747 states and 1229 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:19,381 INFO L93 Difference]: Finished difference Result 1931 states and 3247 transitions. [2024-10-14 02:51:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:19,382 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2024-10-14 02:51:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:19,387 INFO L225 Difference]: With dead ends: 1931 [2024-10-14 02:51:19,387 INFO L226 Difference]: Without dead ends: 1252 [2024-10-14 02:51:19,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:19,389 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1321 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:19,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 773 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-10-14 02:51:19,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1059. [2024-10-14 02:51:19,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 829 states have (on average 1.6236429433051869) internal successors, (1346), 836 states have internal predecessors, (1346), 201 states have call successors, (201), 24 states have call predecessors, (201), 28 states have return successors, (232), 200 states have call predecessors, (232), 200 states have call successors, (232) [2024-10-14 02:51:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1779 transitions. [2024-10-14 02:51:19,430 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1779 transitions. Word has length 160 [2024-10-14 02:51:19,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:19,430 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1779 transitions. [2024-10-14 02:51:19,430 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1779 transitions. [2024-10-14 02:51:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-14 02:51:19,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:19,434 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:19,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 02:51:19,434 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:19,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:19,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1226164733, now seen corresponding path program 1 times [2024-10-14 02:51:19,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:19,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868711116] [2024-10-14 02:51:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:19,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:51:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:51:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:51:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:51:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:51:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:51:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:51:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 02:51:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:51:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 02:51:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 02:51:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:19,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:19,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868711116] [2024-10-14 02:51:19,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868711116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:19,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:19,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:19,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251696565] [2024-10-14 02:51:19,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:19,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:19,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:19,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:19,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:19,523 INFO L87 Difference]: Start difference. First operand 1059 states and 1779 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:20,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:20,686 INFO L93 Difference]: Finished difference Result 2700 states and 4595 transitions. [2024-10-14 02:51:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:20,686 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-10-14 02:51:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:20,693 INFO L225 Difference]: With dead ends: 2700 [2024-10-14 02:51:20,693 INFO L226 Difference]: Without dead ends: 1759 [2024-10-14 02:51:20,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:20,697 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1371 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:20,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 740 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:20,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2024-10-14 02:51:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1566. [2024-10-14 02:51:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1241 states have (on average 1.6325543916196616) internal successors, (2026), 1248 states have internal predecessors, (2026), 296 states have call successors, (296), 24 states have call predecessors, (296), 28 states have return successors, (327), 295 states have call predecessors, (327), 295 states have call successors, (327) [2024-10-14 02:51:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2649 transitions. [2024-10-14 02:51:20,751 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2649 transitions. Word has length 161 [2024-10-14 02:51:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:20,751 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2649 transitions. [2024-10-14 02:51:20,751 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2649 transitions. [2024-10-14 02:51:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-14 02:51:20,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:20,757 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:20,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 02:51:20,757 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:20,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:20,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1254375993, now seen corresponding path program 1 times [2024-10-14 02:51:20,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:20,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212584102] [2024-10-14 02:51:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:51:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:51:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:51:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:51:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:51:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:51:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:51:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:51:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 02:51:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:51:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:20,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:20,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212584102] [2024-10-14 02:51:20,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212584102] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:20,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:20,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:20,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602994163] [2024-10-14 02:51:20,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:20,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:20,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:20,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:20,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:20,876 INFO L87 Difference]: Start difference. First operand 1566 states and 2649 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:22,026 INFO L93 Difference]: Finished difference Result 3846 states and 6620 transitions. [2024-10-14 02:51:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:22,026 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-10-14 02:51:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:22,036 INFO L225 Difference]: With dead ends: 3846 [2024-10-14 02:51:22,036 INFO L226 Difference]: Without dead ends: 2526 [2024-10-14 02:51:22,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:22,039 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1340 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:22,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 738 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:22,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2526 states. [2024-10-14 02:51:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2526 to 2333. [2024-10-14 02:51:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 1885 states have (on average 1.639787798408488) internal successors, (3091), 1892 states have internal predecessors, (3091), 419 states have call successors, (419), 24 states have call predecessors, (419), 28 states have return successors, (466), 418 states have call predecessors, (466), 418 states have call successors, (466) [2024-10-14 02:51:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 3976 transitions. [2024-10-14 02:51:22,110 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 3976 transitions. Word has length 162 [2024-10-14 02:51:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:22,111 INFO L471 AbstractCegarLoop]: Abstraction has 2333 states and 3976 transitions. [2024-10-14 02:51:22,111 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3976 transitions. [2024-10-14 02:51:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 02:51:22,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:22,119 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:22,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 02:51:22,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:22,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:22,120 INFO L85 PathProgramCache]: Analyzing trace with hash 5157116, now seen corresponding path program 1 times [2024-10-14 02:51:22,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:22,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106002309] [2024-10-14 02:51:22,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:22,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:51:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:51:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 02:51:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:51:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:51:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:51:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:51:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 02:51:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 02:51:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:51:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:22,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:22,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106002309] [2024-10-14 02:51:22,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106002309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:22,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:22,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:22,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120589465] [2024-10-14 02:51:22,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:22,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:22,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:22,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:22,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:22,206 INFO L87 Difference]: Start difference. First operand 2333 states and 3976 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:23,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:23,426 INFO L93 Difference]: Finished difference Result 5628 states and 9778 transitions. [2024-10-14 02:51:23,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:23,427 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-10-14 02:51:23,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:23,441 INFO L225 Difference]: With dead ends: 5628 [2024-10-14 02:51:23,441 INFO L226 Difference]: Without dead ends: 3750 [2024-10-14 02:51:23,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:23,446 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1330 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:23,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 738 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3750 states. [2024-10-14 02:51:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3750 to 3557. [2024-10-14 02:51:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3557 states, 2930 states have (on average 1.6447098976109216) internal successors, (4819), 2937 states have internal predecessors, (4819), 598 states have call successors, (598), 24 states have call predecessors, (598), 28 states have return successors, (671), 597 states have call predecessors, (671), 597 states have call successors, (671) [2024-10-14 02:51:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3557 states and 6088 transitions. [2024-10-14 02:51:23,557 INFO L78 Accepts]: Start accepts. Automaton has 3557 states and 6088 transitions. Word has length 163 [2024-10-14 02:51:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:23,557 INFO L471 AbstractCegarLoop]: Abstraction has 3557 states and 6088 transitions. [2024-10-14 02:51:23,557 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3557 states and 6088 transitions. [2024-10-14 02:51:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-14 02:51:23,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:23,570 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:23,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 02:51:23,570 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:23,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:23,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1828039165, now seen corresponding path program 1 times [2024-10-14 02:51:23,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:23,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239257579] [2024-10-14 02:51:23,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:23,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:51:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:51:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 02:51:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:51:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:51:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 02:51:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:51:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 02:51:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 02:51:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 02:51:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:23,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:23,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239257579] [2024-10-14 02:51:23,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239257579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:23,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593687176] [2024-10-14 02:51:23,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:23,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:23,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:23,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:23,688 INFO L87 Difference]: Start difference. First operand 3557 states and 6088 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:24,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:24,873 INFO L93 Difference]: Finished difference Result 8607 states and 15018 transitions. [2024-10-14 02:51:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:24,873 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-10-14 02:51:24,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:24,896 INFO L225 Difference]: With dead ends: 8607 [2024-10-14 02:51:24,896 INFO L226 Difference]: Without dead ends: 5808 [2024-10-14 02:51:24,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:24,906 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1385 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:24,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 763 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:24,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5808 states. [2024-10-14 02:51:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 5615. [2024-10-14 02:51:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5615 states, 4612 states have (on average 1.6352992194275802) internal successors, (7542), 4619 states have internal predecessors, (7542), 974 states have call successors, (974), 24 states have call predecessors, (974), 28 states have return successors, (1091), 973 states have call predecessors, (1091), 973 states have call successors, (1091) [2024-10-14 02:51:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 9607 transitions. [2024-10-14 02:51:25,115 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 9607 transitions. Word has length 164 [2024-10-14 02:51:25,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:25,116 INFO L471 AbstractCegarLoop]: Abstraction has 5615 states and 9607 transitions. [2024-10-14 02:51:25,116 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 9607 transitions. [2024-10-14 02:51:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-14 02:51:25,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:25,140 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:25,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 02:51:25,141 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:25,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:25,141 INFO L85 PathProgramCache]: Analyzing trace with hash -207043272, now seen corresponding path program 1 times [2024-10-14 02:51:25,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:25,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819394118] [2024-10-14 02:51:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:25,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:51:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:51:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:51:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:51:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:51:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:51:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 02:51:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 02:51:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 02:51:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 02:51:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:25,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:25,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819394118] [2024-10-14 02:51:25,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819394118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:25,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:25,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:25,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302705224] [2024-10-14 02:51:25,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:25,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:25,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:25,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:25,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:25,227 INFO L87 Difference]: Start difference. First operand 5615 states and 9607 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:26,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:26,550 INFO L93 Difference]: Finished difference Result 13968 states and 24375 transitions. [2024-10-14 02:51:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:26,551 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2024-10-14 02:51:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:26,599 INFO L225 Difference]: With dead ends: 13968 [2024-10-14 02:51:26,599 INFO L226 Difference]: Without dead ends: 9497 [2024-10-14 02:51:26,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:26,611 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1347 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:26,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 751 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:26,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9497 states. [2024-10-14 02:51:26,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9497 to 9304. [2024-10-14 02:51:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9304 states, 7695 states have (on average 1.6337881741390514) internal successors, (12572), 7702 states have internal predecessors, (12572), 1580 states have call successors, (1580), 24 states have call predecessors, (1580), 28 states have return successors, (1775), 1579 states have call predecessors, (1775), 1579 states have call successors, (1775) [2024-10-14 02:51:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9304 states to 9304 states and 15927 transitions. [2024-10-14 02:51:26,987 INFO L78 Accepts]: Start accepts. Automaton has 9304 states and 15927 transitions. Word has length 165 [2024-10-14 02:51:26,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:26,989 INFO L471 AbstractCegarLoop]: Abstraction has 9304 states and 15927 transitions. [2024-10-14 02:51:26,990 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 9304 states and 15927 transitions. [2024-10-14 02:51:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-14 02:51:27,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:27,020 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:27,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 02:51:27,020 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:27,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:27,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2071175985, now seen corresponding path program 1 times [2024-10-14 02:51:27,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:27,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097860081] [2024-10-14 02:51:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:51:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:51:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:51:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 02:51:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 02:51:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:51:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 02:51:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 02:51:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:51:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 02:51:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 02:51:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:27,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097860081] [2024-10-14 02:51:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097860081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:27,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:27,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936270506] [2024-10-14 02:51:27,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:27,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:27,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:27,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:27,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:27,106 INFO L87 Difference]: Start difference. First operand 9304 states and 15927 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:28,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:28,399 INFO L93 Difference]: Finished difference Result 24160 states and 42139 transitions. [2024-10-14 02:51:28,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:28,400 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2024-10-14 02:51:28,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:28,449 INFO L225 Difference]: With dead ends: 24160 [2024-10-14 02:51:28,450 INFO L226 Difference]: Without dead ends: 16457 [2024-10-14 02:51:28,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:28,473 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1442 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:28,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 768 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 02:51:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16457 states. [2024-10-14 02:51:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16457 to 16264. [2024-10-14 02:51:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16264 states, 13452 states have (on average 1.6254088611358906) internal successors, (21865), 13459 states have internal predecessors, (21865), 2783 states have call successors, (2783), 24 states have call predecessors, (2783), 28 states have return successors, (3122), 2782 states have call predecessors, (3122), 2782 states have call successors, (3122) [2024-10-14 02:51:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16264 states to 16264 states and 27770 transitions. [2024-10-14 02:51:29,059 INFO L78 Accepts]: Start accepts. Automaton has 16264 states and 27770 transitions. Word has length 166 [2024-10-14 02:51:29,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:29,060 INFO L471 AbstractCegarLoop]: Abstraction has 16264 states and 27770 transitions. [2024-10-14 02:51:29,060 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 16264 states and 27770 transitions. [2024-10-14 02:51:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-14 02:51:29,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:29,093 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:29,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 02:51:29,093 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:29,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:29,094 INFO L85 PathProgramCache]: Analyzing trace with hash 36122391, now seen corresponding path program 1 times [2024-10-14 02:51:29,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:29,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576437542] [2024-10-14 02:51:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:29,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:51:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:51:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:51:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:51:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:51:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 02:51:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 02:51:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 02:51:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 02:51:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 02:51:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:29,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:29,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576437542] [2024-10-14 02:51:29,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576437542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:29,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:29,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:29,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737304562] [2024-10-14 02:51:29,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:29,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:29,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:29,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:29,183 INFO L87 Difference]: Start difference. First operand 16264 states and 27770 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:30,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:30,932 INFO L93 Difference]: Finished difference Result 43135 states and 75151 transitions. [2024-10-14 02:51:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:30,933 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2024-10-14 02:51:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:31,021 INFO L225 Difference]: With dead ends: 43135 [2024-10-14 02:51:31,021 INFO L226 Difference]: Without dead ends: 29120 [2024-10-14 02:51:31,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:31,060 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1412 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:31,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 742 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29120 states. [2024-10-14 02:51:31,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29120 to 28927. [2024-10-14 02:51:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28927 states, 24076 states have (on average 1.6219887024422661) internal successors, (39051), 24083 states have internal predecessors, (39051), 4822 states have call successors, (4822), 24 states have call predecessors, (4822), 28 states have return successors, (5435), 4821 states have call predecessors, (5435), 4821 states have call successors, (5435) [2024-10-14 02:51:31,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28927 states to 28927 states and 49308 transitions. [2024-10-14 02:51:31,976 INFO L78 Accepts]: Start accepts. Automaton has 28927 states and 49308 transitions. Word has length 167 [2024-10-14 02:51:31,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:31,977 INFO L471 AbstractCegarLoop]: Abstraction has 28927 states and 49308 transitions. [2024-10-14 02:51:31,977 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 28927 states and 49308 transitions. [2024-10-14 02:51:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-14 02:51:32,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:32,029 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:32,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 02:51:32,030 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:32,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:32,030 INFO L85 PathProgramCache]: Analyzing trace with hash 748691117, now seen corresponding path program 1 times [2024-10-14 02:51:32,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:32,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726423915] [2024-10-14 02:51:32,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:32,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:51:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:51:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:51:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:51:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:51:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:51:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:51:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:51:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:51:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 02:51:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:32,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:32,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726423915] [2024-10-14 02:51:32,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726423915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:32,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:32,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:32,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911203598] [2024-10-14 02:51:32,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:32,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:32,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:32,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:32,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:32,117 INFO L87 Difference]: Start difference. First operand 28927 states and 49308 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:34,403 INFO L93 Difference]: Finished difference Result 78907 states and 136710 transitions. [2024-10-14 02:51:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:34,404 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-10-14 02:51:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:34,587 INFO L225 Difference]: With dead ends: 78907 [2024-10-14 02:51:34,588 INFO L226 Difference]: Without dead ends: 53008 [2024-10-14 02:51:34,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:34,662 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1364 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:34,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 740 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:34,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53008 states. [2024-10-14 02:51:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53008 to 52815. [2024-10-14 02:51:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52815 states, 44249 states have (on average 1.6172342877805148) internal successors, (71561), 44256 states have internal predecessors, (71561), 8537 states have call successors, (8537), 24 states have call predecessors, (8537), 28 states have return successors, (9682), 8536 states have call predecessors, (9682), 8536 states have call successors, (9682) [2024-10-14 02:51:36,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52815 states to 52815 states and 89780 transitions. [2024-10-14 02:51:36,488 INFO L78 Accepts]: Start accepts. Automaton has 52815 states and 89780 transitions. Word has length 168 [2024-10-14 02:51:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:36,488 INFO L471 AbstractCegarLoop]: Abstraction has 52815 states and 89780 transitions. [2024-10-14 02:51:36,489 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 52815 states and 89780 transitions. [2024-10-14 02:51:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 02:51:36,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:36,574 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:36,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 02:51:36,574 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:36,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash 872648567, now seen corresponding path program 1 times [2024-10-14 02:51:36,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:36,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562604996] [2024-10-14 02:51:36,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:51:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:51:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:51:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:51:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:51:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:51:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:51:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 02:51:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 02:51:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 02:51:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 02:51:36,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:36,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562604996] [2024-10-14 02:51:36,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562604996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:36,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:36,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:36,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999391303] [2024-10-14 02:51:36,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:36,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:36,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:36,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:36,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:36,674 INFO L87 Difference]: Start difference. First operand 52815 states and 89780 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:39,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:39,823 INFO L93 Difference]: Finished difference Result 98682 states and 171415 transitions. [2024-10-14 02:51:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:39,824 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2024-10-14 02:51:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:40,154 INFO L225 Difference]: With dead ends: 98682 [2024-10-14 02:51:40,154 INFO L226 Difference]: Without dead ends: 98480 [2024-10-14 02:51:40,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:40,199 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1414 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:40,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 754 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 1562 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 02:51:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98480 states. [2024-10-14 02:51:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98480 to 98287. [2024-10-14 02:51:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98287 states, 82922 states have (on average 1.6110320542196281) internal successors, (133590), 82929 states have internal predecessors, (133590), 15336 states have call successors, (15336), 24 states have call predecessors, (15336), 28 states have return successors, (17527), 15335 states have call predecessors, (17527), 15335 states have call successors, (17527) [2024-10-14 02:51:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98287 states to 98287 states and 166453 transitions. [2024-10-14 02:51:43,413 INFO L78 Accepts]: Start accepts. Automaton has 98287 states and 166453 transitions. Word has length 169 [2024-10-14 02:51:43,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:43,414 INFO L471 AbstractCegarLoop]: Abstraction has 98287 states and 166453 transitions. [2024-10-14 02:51:43,414 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 02:51:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 98287 states and 166453 transitions. [2024-10-14 02:51:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 02:51:43,526 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:43,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:43,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 02:51:43,526 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:43,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:43,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1753007794, now seen corresponding path program 1 times [2024-10-14 02:51:43,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:43,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203422610] [2024-10-14 02:51:43,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:51:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:51:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:51:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:51:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 02:51:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:51:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:51:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 02:51:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 02:51:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 02:51:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 02:51:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-14 02:51:44,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:44,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203422610] [2024-10-14 02:51:44,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203422610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:44,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978576764] [2024-10-14 02:51:44,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:44,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:44,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:44,321 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) [2024-10-14 02:51:44,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 02:51:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:44,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 02:51:44,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 02:51:44,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:51:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-14 02:51:45,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978576764] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:51:45,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:51:45,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-10-14 02:51:45,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372552831] [2024-10-14 02:51:45,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:51:45,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-14 02:51:45,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:45,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-14 02:51:45,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2024-10-14 02:51:45,012 INFO L87 Difference]: Start difference. First operand 98287 states and 166453 transitions. Second operand has 32 states, 30 states have (on average 8.2) internal successors, (246), 24 states have internal predecessors, (246), 9 states have call successors, (53), 12 states have call predecessors, (53), 12 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) [2024-10-14 02:52:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:52:13,675 INFO L93 Difference]: Finished difference Result 588623 states and 1045959 transitions. [2024-10-14 02:52:13,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-10-14 02:52:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 8.2) internal successors, (246), 24 states have internal predecessors, (246), 9 states have call successors, (53), 12 states have call predecessors, (53), 12 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) Word has length 170 [2024-10-14 02:52:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:52:16,541 INFO L225 Difference]: With dead ends: 588623 [2024-10-14 02:52:16,541 INFO L226 Difference]: Without dead ends: 588424 [2024-10-14 02:52:16,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10357 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3723, Invalid=25689, Unknown=0, NotChecked=0, Total=29412 [2024-10-14 02:52:16,767 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 7026 mSDsluCounter, 10758 mSDsCounter, 0 mSdLazyCounter, 30586 mSolverCounterSat, 2854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7063 SdHoareTripleChecker+Valid, 11323 SdHoareTripleChecker+Invalid, 33440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2854 IncrementalHoareTripleChecker+Valid, 30586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:52:16,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7063 Valid, 11323 Invalid, 33440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2854 Valid, 30586 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-10-14 02:52:17,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588424 states.