./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product16.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 14dde7567748bafe076b052fc50547f9c42c454af1c5c326a7b2a07549e9af32 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:06:15,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:06:15,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:06:15,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:06:15,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:06:15,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:06:15,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:06:15,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:06:15,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:06:15,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:06:15,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:06:15,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:06:15,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:06:15,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:06:15,461 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:06:15,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:06:15,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:06:15,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:06:15,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:06:15,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:06:15,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:06:15,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:06:15,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:06:15,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:06:15,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:06:15,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:06:15,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:06:15,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:06:15,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:06:15,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:06:15,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:06:15,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:06:15,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:06:15,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:06:15,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:06:15,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:06:15,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:06:15,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:06:15,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:06:15,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:06:15,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:06:15,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:06:15,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14dde7567748bafe076b052fc50547f9c42c454af1c5c326a7b2a07549e9af32 [2024-11-08 15:06:15,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:06:15,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:06:15,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:06:15,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:06:15,761 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:06:15,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product16.cil.c [2024-11-08 15:06:17,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:06:17,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:06:17,618 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c [2024-11-08 15:06:17,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d494d65b1/29fa4a0f1bc94fae8441893218e26a07/FLAG0bbf4a274 [2024-11-08 15:06:17,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d494d65b1/29fa4a0f1bc94fae8441893218e26a07 [2024-11-08 15:06:17,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:06:17,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:06:17,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:06:17,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:06:17,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:06:17,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:06:17" (1/1) ... [2024-11-08 15:06:17,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244ed649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:17, skipping insertion in model container [2024-11-08 15:06:17,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:06:17" (1/1) ... [2024-11-08 15:06:17,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:06:18,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c[39829,39842] [2024-11-08 15:06:18,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:06:18,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:06:18,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-08 15:06:18,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [363] [2024-11-08 15:06:18,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1435] [2024-11-08 15:06:18,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1847] [2024-11-08 15:06:18,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1856] [2024-11-08 15:06:18,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2222] [2024-11-08 15:06:18,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2257] [2024-11-08 15:06:18,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2473] [2024-11-08 15:06:18,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2578] [2024-11-08 15:06:18,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2595] [2024-11-08 15:06:18,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2642] [2024-11-08 15:06:18,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c[39829,39842] [2024-11-08 15:06:18,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:06:18,765 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:06:18,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18 WrapperNode [2024-11-08 15:06:18,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:06:18,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:06:18,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:06:18,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:06:18,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,871 INFO L138 Inliner]: procedures = 126, calls = 187, calls flagged for inlining = 55, calls inlined = 50, statements flattened = 977 [2024-11-08 15:06:18,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:06:18,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:06:18,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:06:18,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:06:18,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,936 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 15:06:18,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:18,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:06:18,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:06:18,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:06:18,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:06:18,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (1/1) ... [2024-11-08 15:06:19,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:06:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:19,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:06:19,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:06:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-08 15:06:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-08 15:06:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 15:06:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 15:06:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 15:06:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 15:06:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 15:06:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 15:06:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 15:06:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 15:06:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 15:06:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 15:06:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 15:06:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 15:06:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 15:06:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 15:06:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 15:06:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 15:06:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:06:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-08 15:06:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-08 15:06:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 15:06:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 15:06:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 15:06:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 15:06:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 15:06:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 15:06:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 15:06:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 15:06:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 15:06:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:06:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 15:06:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 15:06:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:06:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:06:19,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:06:19,327 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:06:20,172 INFO L? ?]: Removed 412 outVars from TransFormulas that were not future-live. [2024-11-08 15:06:20,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:06:20,203 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:06:20,203 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 15:06:20,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:06:20 BoogieIcfgContainer [2024-11-08 15:06:20,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:06:20,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:06:20,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:06:20,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:06:20,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:06:17" (1/3) ... [2024-11-08 15:06:20,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e60ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:06:20, skipping insertion in model container [2024-11-08 15:06:20,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:18" (2/3) ... [2024-11-08 15:06:20,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e60ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:06:20, skipping insertion in model container [2024-11-08 15:06:20,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:06:20" (3/3) ... [2024-11-08 15:06:20,213 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product16.cil.c [2024-11-08 15:06:20,230 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:06:20,230 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:06:20,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:06:20,324 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;@39bc26b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:06:20,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:06:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 242 states have (on average 1.5206611570247934) internal successors, (368), 246 states have internal predecessors, (368), 49 states have call successors, (49), 18 states have call predecessors, (49), 18 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 15:06:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 15:06:20,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:20,351 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:20,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:20,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1457342358, now seen corresponding path program 1 times [2024-11-08 15:06:20,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:20,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045177085] [2024-11-08 15:06:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 15:06:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 15:06:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:06:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:06:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:06:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:06:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:06:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:06:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:06:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 15:06:21,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:21,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045177085] [2024-11-08 15:06:21,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045177085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:21,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248147605] [2024-11-08 15:06:21,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:21,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:21,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:21,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:21,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:06:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:21,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 15:06:21,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:06:21,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:21,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248147605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:21,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:21,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 15:06:21,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979892962] [2024-11-08 15:06:21,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:21,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:06:21,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:21,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:06:21,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:21,636 INFO L87 Difference]: Start difference. First operand has 311 states, 242 states have (on average 1.5206611570247934) internal successors, (368), 246 states have internal predecessors, (368), 49 states have call successors, (49), 18 states have call predecessors, (49), 18 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:21,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:21,710 INFO L93 Difference]: Finished difference Result 468 states and 686 transitions. [2024-11-08 15:06:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:06:21,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 114 [2024-11-08 15:06:21,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:21,734 INFO L225 Difference]: With dead ends: 468 [2024-11-08 15:06:21,735 INFO L226 Difference]: Without dead ends: 304 [2024-11-08 15:06:21,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:21,747 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:21,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:21,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-08 15:06:21,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-08 15:06:21,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 236 states have (on average 1.5127118644067796) internal successors, (357), 239 states have internal predecessors, (357), 49 states have call successors, (49), 18 states have call predecessors, (49), 18 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 15:06:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 454 transitions. [2024-11-08 15:06:21,822 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 454 transitions. Word has length 114 [2024-11-08 15:06:21,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:21,824 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 454 transitions. [2024-11-08 15:06:21,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 454 transitions. [2024-11-08 15:06:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 15:06:21,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:21,831 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:21,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 15:06:22,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 15:06:22,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:22,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:22,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2099522680, now seen corresponding path program 1 times [2024-11-08 15:06:22,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:22,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860925245] [2024-11-08 15:06:22,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 15:06:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:06:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:06:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:06:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:06:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:06:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:06:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 15:06:22,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:22,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860925245] [2024-11-08 15:06:22,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860925245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:22,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252386737] [2024-11-08 15:06:22,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:22,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:22,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:22,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:22,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:06:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:22,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 15:06:22,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:06:22,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:22,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252386737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:22,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:22,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:06:22,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711876461] [2024-11-08 15:06:22,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:22,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:06:22,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:22,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:06:22,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:22,771 INFO L87 Difference]: Start difference. First operand 304 states and 454 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:22,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:22,820 INFO L93 Difference]: Finished difference Result 458 states and 667 transitions. [2024-11-08 15:06:22,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:06:22,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 115 [2024-11-08 15:06:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:22,826 INFO L225 Difference]: With dead ends: 458 [2024-11-08 15:06:22,826 INFO L226 Difference]: Without dead ends: 307 [2024-11-08 15:06:22,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:22,832 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 1 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:22,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 902 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:22,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-08 15:06:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 306. [2024-11-08 15:06:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 238 states have (on average 1.5084033613445378) internal successors, (359), 241 states have internal predecessors, (359), 49 states have call successors, (49), 18 states have call predecessors, (49), 18 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 15:06:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 456 transitions. [2024-11-08 15:06:22,865 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 456 transitions. Word has length 115 [2024-11-08 15:06:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:22,867 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 456 transitions. [2024-11-08 15:06:22,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 456 transitions. [2024-11-08 15:06:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 15:06:22,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:22,870 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:22,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 15:06:23,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 15:06:23,073 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:23,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash -2071202257, now seen corresponding path program 1 times [2024-11-08 15:06:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:23,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665974287] [2024-11-08 15:06:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:23,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 15:06:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:06:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:06:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:06:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:06:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:06:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:06:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:06:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:23,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:23,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665974287] [2024-11-08 15:06:23,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665974287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:23,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651912384] [2024-11-08 15:06:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:23,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:23,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:23,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:06:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:23,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:06:23,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:06:23,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:23,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651912384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:23,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:23,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:06:23,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289394904] [2024-11-08 15:06:23,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:23,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:06:23,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:23,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:06:23,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:23,679 INFO L87 Difference]: Start difference. First operand 306 states and 456 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:23,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:23,716 INFO L93 Difference]: Finished difference Result 642 states and 971 transitions. [2024-11-08 15:06:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:06:23,718 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 121 [2024-11-08 15:06:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:23,721 INFO L225 Difference]: With dead ends: 642 [2024-11-08 15:06:23,721 INFO L226 Difference]: Without dead ends: 363 [2024-11-08 15:06:23,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:23,723 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 107 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:23,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 879 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-08 15:06:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 355. [2024-11-08 15:06:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 276 states have (on average 1.5253623188405796) internal successors, (421), 279 states have internal predecessors, (421), 60 states have call successors, (60), 18 states have call predecessors, (60), 18 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-08 15:06:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 540 transitions. [2024-11-08 15:06:23,744 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 540 transitions. Word has length 121 [2024-11-08 15:06:23,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:23,745 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 540 transitions. [2024-11-08 15:06:23,745 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 540 transitions. [2024-11-08 15:06:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 15:06:23,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:23,748 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:23,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 15:06:23,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:23,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:23,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:23,953 INFO L85 PathProgramCache]: Analyzing trace with hash -562023997, now seen corresponding path program 1 times [2024-11-08 15:06:23,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:23,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718618717] [2024-11-08 15:06:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:23,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 15:06:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:06:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:06:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:06:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:06:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:06:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:06:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:06:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:24,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:24,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718618717] [2024-11-08 15:06:24,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718618717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:24,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181136649] [2024-11-08 15:06:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:24,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:24,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:24,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:24,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:06:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:24,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:06:24,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 15:06:24,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181136649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:24,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:24,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 15:06:24,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222421338] [2024-11-08 15:06:24,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:24,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:06:24,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:24,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:06:24,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:24,641 INFO L87 Difference]: Start difference. First operand 355 states and 540 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:24,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:24,706 INFO L93 Difference]: Finished difference Result 701 states and 1070 transitions. [2024-11-08 15:06:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:06:24,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 122 [2024-11-08 15:06:24,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:24,710 INFO L225 Difference]: With dead ends: 701 [2024-11-08 15:06:24,710 INFO L226 Difference]: Without dead ends: 357 [2024-11-08 15:06:24,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:24,714 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 2 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:24,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1773 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:24,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-08 15:06:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2024-11-08 15:06:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 277 states have (on average 1.523465703971119) internal successors, (422), 281 states have internal predecessors, (422), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (61), 59 states have call predecessors, (61), 59 states have call successors, (61) [2024-11-08 15:06:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 543 transitions. [2024-11-08 15:06:24,736 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 543 transitions. Word has length 122 [2024-11-08 15:06:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:24,737 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 543 transitions. [2024-11-08 15:06:24,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 543 transitions. [2024-11-08 15:06:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 15:06:24,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:24,740 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:24,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 15:06:24,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:24,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:24,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:24,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1627432574, now seen corresponding path program 1 times [2024-11-08 15:06:24,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:24,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444677422] [2024-11-08 15:06:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:06:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:06:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 15:06:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:06:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:06:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:06:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:06:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:06:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:06:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:06:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:06:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:06:25,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:25,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444677422] [2024-11-08 15:06:25,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444677422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:25,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027868024] [2024-11-08 15:06:25,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:25,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:25,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:25,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:25,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:06:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 15:06:25,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 15:06:25,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:25,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027868024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:25,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:25,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 15:06:25,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858330815] [2024-11-08 15:06:25,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:25,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:06:25,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:25,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:06:25,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:06:25,568 INFO L87 Difference]: Start difference. First operand 357 states and 543 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:25,643 INFO L93 Difference]: Finished difference Result 703 states and 1075 transitions. [2024-11-08 15:06:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:06:25,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 123 [2024-11-08 15:06:25,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:25,647 INFO L225 Difference]: With dead ends: 703 [2024-11-08 15:06:25,647 INFO L226 Difference]: Without dead ends: 359 [2024-11-08 15:06:25,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:06:25,649 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 2 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:25,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1759 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:25,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-08 15:06:25,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-08 15:06:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 278 states have (on average 1.5215827338129497) internal successors, (423), 283 states have internal predecessors, (423), 60 states have call successors, (60), 18 states have call predecessors, (60), 20 states have return successors, (66), 59 states have call predecessors, (66), 59 states have call successors, (66) [2024-11-08 15:06:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 549 transitions. [2024-11-08 15:06:25,666 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 549 transitions. Word has length 123 [2024-11-08 15:06:25,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:25,666 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 549 transitions. [2024-11-08 15:06:25,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 549 transitions. [2024-11-08 15:06:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 15:06:25,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:25,669 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:25,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 15:06:25,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:25,870 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:25,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash 563223923, now seen corresponding path program 1 times [2024-11-08 15:06:25,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:25,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818306404] [2024-11-08 15:06:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:25,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 15:06:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 15:06:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:06:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:06:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:06:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:06:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:06:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:06:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:06:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:06:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:26,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:26,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818306404] [2024-11-08 15:06:26,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818306404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:26,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:26,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:06:26,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617690548] [2024-11-08 15:06:26,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:26,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:06:26,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:26,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:06:26,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:26,102 INFO L87 Difference]: Start difference. First operand 359 states and 549 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:28,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:28,126 INFO L93 Difference]: Finished difference Result 844 states and 1289 transitions. [2024-11-08 15:06:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:06:28,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2024-11-08 15:06:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:28,130 INFO L225 Difference]: With dead ends: 844 [2024-11-08 15:06:28,130 INFO L226 Difference]: Without dead ends: 508 [2024-11-08 15:06:28,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:06:28,134 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 938 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2346 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 2346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:28,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 1108 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 2346 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:06:28,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-08 15:06:28,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 359. [2024-11-08 15:06:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 278 states have (on average 1.5215827338129497) internal successors, (423), 283 states have internal predecessors, (423), 60 states have call successors, (60), 18 states have call predecessors, (60), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-11-08 15:06:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 548 transitions. [2024-11-08 15:06:28,181 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 548 transitions. Word has length 124 [2024-11-08 15:06:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:28,182 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 548 transitions. [2024-11-08 15:06:28,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 548 transitions. [2024-11-08 15:06:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 15:06:28,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:28,186 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:28,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:06:28,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:28,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:28,186 INFO L85 PathProgramCache]: Analyzing trace with hash 997695056, now seen corresponding path program 2 times [2024-11-08 15:06:28,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:28,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037107388] [2024-11-08 15:06:28,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:28,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 15:06:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:06:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 15:06:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:06:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:06:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:06:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:06:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:06:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:06:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:06:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:28,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:28,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037107388] [2024-11-08 15:06:28,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037107388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:28,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:28,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:06:28,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565121717] [2024-11-08 15:06:28,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:28,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:06:28,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:28,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:06:28,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:28,424 INFO L87 Difference]: Start difference. First operand 359 states and 548 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:30,414 INFO L93 Difference]: Finished difference Result 846 states and 1292 transitions. [2024-11-08 15:06:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:06:30,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2024-11-08 15:06:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:30,418 INFO L225 Difference]: With dead ends: 846 [2024-11-08 15:06:30,419 INFO L226 Difference]: Without dead ends: 510 [2024-11-08 15:06:30,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:06:30,421 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 934 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:30,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 1107 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 2357 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:06:30,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-08 15:06:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 361. [2024-11-08 15:06:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 279 states have (on average 1.5197132616487454) internal successors, (424), 285 states have internal predecessors, (424), 60 states have call successors, (60), 18 states have call predecessors, (60), 21 states have return successors, (67), 59 states have call predecessors, (67), 59 states have call successors, (67) [2024-11-08 15:06:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 551 transitions. [2024-11-08 15:06:30,467 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 551 transitions. Word has length 125 [2024-11-08 15:06:30,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:30,467 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 551 transitions. [2024-11-08 15:06:30,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 551 transitions. [2024-11-08 15:06:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 15:06:30,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:30,471 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:30,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:06:30,471 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:30,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:30,473 INFO L85 PathProgramCache]: Analyzing trace with hash -438814996, now seen corresponding path program 1 times [2024-11-08 15:06:30,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:30,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412511955] [2024-11-08 15:06:30,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:30,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:06:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:06:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:06:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:06:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:06:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:06:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:06:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:06:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:06:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:30,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:30,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412511955] [2024-11-08 15:06:30,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412511955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:30,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:30,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:06:30,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004236978] [2024-11-08 15:06:30,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:30,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:06:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:06:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:30,707 INFO L87 Difference]: Start difference. First operand 361 states and 551 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:32,712 INFO L93 Difference]: Finished difference Result 846 states and 1291 transitions. [2024-11-08 15:06:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:06:32,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 126 [2024-11-08 15:06:32,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:32,719 INFO L225 Difference]: With dead ends: 846 [2024-11-08 15:06:32,720 INFO L226 Difference]: Without dead ends: 510 [2024-11-08 15:06:32,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:06:32,722 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 936 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:32,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1104 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:06:32,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-08 15:06:32,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 361. [2024-11-08 15:06:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 279 states have (on average 1.5197132616487454) internal successors, (424), 285 states have internal predecessors, (424), 60 states have call successors, (60), 18 states have call predecessors, (60), 21 states have return successors, (67), 59 states have call predecessors, (67), 59 states have call successors, (67) [2024-11-08 15:06:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 551 transitions. [2024-11-08 15:06:32,759 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 551 transitions. Word has length 126 [2024-11-08 15:06:32,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:32,759 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 551 transitions. [2024-11-08 15:06:32,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 551 transitions. [2024-11-08 15:06:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 15:06:32,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:32,762 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:32,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:06:32,763 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:32,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:32,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1979089070, now seen corresponding path program 1 times [2024-11-08 15:06:32,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:32,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859133111] [2024-11-08 15:06:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:06:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:06:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:06:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:06:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:06:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:06:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:06:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:06:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:06:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:06:33,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:33,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859133111] [2024-11-08 15:06:33,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859133111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:33,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:33,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:06:33,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340033585] [2024-11-08 15:06:33,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:33,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:06:33,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:33,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:06:33,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:33,029 INFO L87 Difference]: Start difference. First operand 361 states and 551 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 15:06:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:35,711 INFO L93 Difference]: Finished difference Result 844 states and 1286 transitions. [2024-11-08 15:06:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:06:35,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 126 [2024-11-08 15:06:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:35,715 INFO L225 Difference]: With dead ends: 844 [2024-11-08 15:06:35,715 INFO L226 Difference]: Without dead ends: 510 [2024-11-08 15:06:35,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:06:35,719 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 938 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3905 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 4212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 3905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:35,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 1534 Invalid, 4212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 3905 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:06:35,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-08 15:06:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 361. [2024-11-08 15:06:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 279 states have (on average 1.5197132616487454) internal successors, (424), 285 states have internal predecessors, (424), 60 states have call successors, (60), 18 states have call predecessors, (60), 21 states have return successors, (66), 59 states have call predecessors, (66), 59 states have call successors, (66) [2024-11-08 15:06:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 550 transitions. [2024-11-08 15:06:35,747 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 550 transitions. Word has length 126 [2024-11-08 15:06:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:35,748 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 550 transitions. [2024-11-08 15:06:35,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 15:06:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 550 transitions. [2024-11-08 15:06:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 15:06:35,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:35,751 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:35,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:06:35,751 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:35,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1233453961, now seen corresponding path program 2 times [2024-11-08 15:06:35,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:35,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628431904] [2024-11-08 15:06:35,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:35,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:06:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 15:06:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:06:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:06:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:06:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:06:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:06:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:06:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:06:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:06:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628431904] [2024-11-08 15:06:35,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628431904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:35,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:35,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:06:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721674079] [2024-11-08 15:06:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:35,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:06:35,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:35,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:06:35,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:35,987 INFO L87 Difference]: Start difference. First operand 361 states and 550 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 15:06:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:38,176 INFO L93 Difference]: Finished difference Result 846 states and 1292 transitions. [2024-11-08 15:06:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:06:38,176 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 127 [2024-11-08 15:06:38,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:38,180 INFO L225 Difference]: With dead ends: 846 [2024-11-08 15:06:38,180 INFO L226 Difference]: Without dead ends: 512 [2024-11-08 15:06:38,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:06:38,182 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 934 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 4236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:38,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 1534 Invalid, 4236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 3932 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 15:06:38,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-08 15:06:38,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 363. [2024-11-08 15:06:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 280 states have (on average 1.5178571428571428) internal successors, (425), 287 states have internal predecessors, (425), 60 states have call successors, (60), 18 states have call predecessors, (60), 22 states have return successors, (71), 59 states have call predecessors, (71), 59 states have call successors, (71) [2024-11-08 15:06:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 556 transitions. [2024-11-08 15:06:38,212 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 556 transitions. Word has length 127 [2024-11-08 15:06:38,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:38,212 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 556 transitions. [2024-11-08 15:06:38,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 15:06:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 556 transitions. [2024-11-08 15:06:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 15:06:38,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:38,215 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:38,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 15:06:38,215 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:38,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:38,216 INFO L85 PathProgramCache]: Analyzing trace with hash -540905305, now seen corresponding path program 1 times [2024-11-08 15:06:38,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:38,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235420369] [2024-11-08 15:06:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:06:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:06:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:06:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:06:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:06:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:06:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 15:06:38,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:38,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235420369] [2024-11-08 15:06:38,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235420369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:38,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:38,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:06:38,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459661944] [2024-11-08 15:06:38,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:38,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:06:38,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:38,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:06:38,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:38,415 INFO L87 Difference]: Start difference. First operand 363 states and 556 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:40,114 INFO L93 Difference]: Finished difference Result 848 states and 1295 transitions. [2024-11-08 15:06:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:06:40,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 128 [2024-11-08 15:06:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:40,118 INFO L225 Difference]: With dead ends: 848 [2024-11-08 15:06:40,118 INFO L226 Difference]: Without dead ends: 512 [2024-11-08 15:06:40,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:06:40,121 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 936 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:40,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1098 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:06:40,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-08 15:06:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 363. [2024-11-08 15:06:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 280 states have (on average 1.5178571428571428) internal successors, (425), 287 states have internal predecessors, (425), 60 states have call successors, (60), 18 states have call predecessors, (60), 22 states have return successors, (71), 59 states have call predecessors, (71), 59 states have call successors, (71) [2024-11-08 15:06:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 556 transitions. [2024-11-08 15:06:40,173 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 556 transitions. Word has length 128 [2024-11-08 15:06:40,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:40,173 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 556 transitions. [2024-11-08 15:06:40,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 15:06:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 556 transitions. [2024-11-08 15:06:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 15:06:40,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:40,176 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:40,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:06:40,176 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:40,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1338225641, now seen corresponding path program 1 times [2024-11-08 15:06:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:40,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552268465] [2024-11-08 15:06:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:06:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:06:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:06:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:06:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:06:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:06:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:40,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:40,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552268465] [2024-11-08 15:06:40,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552268465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:40,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416723886] [2024-11-08 15:06:40,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:40,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:40,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:40,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:40,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:06:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:06:40,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:40,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:06:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:40,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416723886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:06:40,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:06:40,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-08 15:06:40,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844286415] [2024-11-08 15:06:40,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:06:40,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 15:06:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 15:06:40,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:06:40,739 INFO L87 Difference]: Start difference. First operand 363 states and 556 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (35), 6 states have call predecessors, (35), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 15:06:42,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:42,446 INFO L93 Difference]: Finished difference Result 1015 states and 1619 transitions. [2024-11-08 15:06:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:06:42,447 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (35), 6 states have call predecessors, (35), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 128 [2024-11-08 15:06:42,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:42,452 INFO L225 Difference]: With dead ends: 1015 [2024-11-08 15:06:42,452 INFO L226 Difference]: Without dead ends: 864 [2024-11-08 15:06:42,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:06:42,455 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1346 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 2956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:42,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1412 Invalid, 2956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 2506 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:06:42,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-08 15:06:42,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 691. [2024-11-08 15:06:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 544 states have (on average 1.5863970588235294) internal successors, (863), 551 states have internal predecessors, (863), 124 states have call successors, (124), 18 states have call predecessors, (124), 22 states have return successors, (145), 123 states have call predecessors, (145), 123 states have call successors, (145) [2024-11-08 15:06:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1132 transitions. [2024-11-08 15:06:42,495 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1132 transitions. Word has length 128 [2024-11-08 15:06:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:42,495 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 1132 transitions. [2024-11-08 15:06:42,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (35), 6 states have call predecessors, (35), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 15:06:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1132 transitions. [2024-11-08 15:06:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 15:06:42,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:42,499 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:42,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 15:06:42,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:42,700 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:42,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:42,701 INFO L85 PathProgramCache]: Analyzing trace with hash 942632716, now seen corresponding path program 1 times [2024-11-08 15:06:42,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:42,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797206004] [2024-11-08 15:06:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:06:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:06:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:06:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:06:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:06:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:06:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:06:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:06:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:06:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:42,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797206004] [2024-11-08 15:06:42,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797206004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:42,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:42,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:42,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049826779] [2024-11-08 15:06:42,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:42,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:42,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:42,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:42,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:42,839 INFO L87 Difference]: Start difference. First operand 691 states and 1132 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:44,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:44,130 INFO L93 Difference]: Finished difference Result 1796 states and 2990 transitions. [2024-11-08 15:06:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:44,131 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-08 15:06:44,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:44,139 INFO L225 Difference]: With dead ends: 1796 [2024-11-08 15:06:44,139 INFO L226 Difference]: Without dead ends: 1173 [2024-11-08 15:06:44,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:44,143 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1038 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:44,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 826 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:06:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2024-11-08 15:06:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1016. [2024-11-08 15:06:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 805 states have (on average 1.6) internal successors, (1288), 812 states have internal predecessors, (1288), 188 states have call successors, (188), 18 states have call predecessors, (188), 22 states have return successors, (219), 187 states have call predecessors, (219), 187 states have call successors, (219) [2024-11-08 15:06:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1695 transitions. [2024-11-08 15:06:44,197 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1695 transitions. Word has length 134 [2024-11-08 15:06:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:44,197 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1695 transitions. [2024-11-08 15:06:44,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1695 transitions. [2024-11-08 15:06:44,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 15:06:44,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:44,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:44,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:06:44,204 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:44,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash -594659831, now seen corresponding path program 1 times [2024-11-08 15:06:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:44,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421892508] [2024-11-08 15:06:44,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:06:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:06:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:06:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:06:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:06:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:06:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:06:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:44,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:44,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421892508] [2024-11-08 15:06:44,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421892508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:44,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:44,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:44,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822923568] [2024-11-08 15:06:44,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:44,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:44,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:44,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:44,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:44,384 INFO L87 Difference]: Start difference. First operand 1016 states and 1695 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:45,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:45,707 INFO L93 Difference]: Finished difference Result 2576 states and 4339 transitions. [2024-11-08 15:06:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:45,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2024-11-08 15:06:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:45,717 INFO L225 Difference]: With dead ends: 2576 [2024-11-08 15:06:45,717 INFO L226 Difference]: Without dead ends: 1681 [2024-11-08 15:06:45,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:45,723 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1036 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:45,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 817 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:06:45,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2024-11-08 15:06:45,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1524. [2024-11-08 15:06:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1524 states, 1218 states have (on average 1.6083743842364533) internal successors, (1959), 1225 states have internal predecessors, (1959), 283 states have call successors, (283), 18 states have call predecessors, (283), 22 states have return successors, (314), 282 states have call predecessors, (314), 282 states have call successors, (314) [2024-11-08 15:06:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1524 states and 2556 transitions. [2024-11-08 15:06:45,858 INFO L78 Accepts]: Start accepts. Automaton has 1524 states and 2556 transitions. Word has length 135 [2024-11-08 15:06:45,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:45,858 INFO L471 AbstractCegarLoop]: Abstraction has 1524 states and 2556 transitions. [2024-11-08 15:06:45,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 2556 transitions. [2024-11-08 15:06:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 15:06:45,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:45,869 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:45,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:06:45,870 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:45,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1006624502, now seen corresponding path program 1 times [2024-11-08 15:06:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:45,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576491309] [2024-11-08 15:06:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:06:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:06:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:06:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:06:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:06:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:06:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:06:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:06:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:06:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:46,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:46,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576491309] [2024-11-08 15:06:46,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576491309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:46,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:46,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335625450] [2024-11-08 15:06:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:46,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:46,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:46,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:46,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:46,013 INFO L87 Difference]: Start difference. First operand 1524 states and 2556 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:47,189 INFO L93 Difference]: Finished difference Result 3728 states and 6348 transitions. [2024-11-08 15:06:47,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:47,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-11-08 15:06:47,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:47,202 INFO L225 Difference]: With dead ends: 3728 [2024-11-08 15:06:47,202 INFO L226 Difference]: Without dead ends: 2450 [2024-11-08 15:06:47,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:47,207 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1034 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:47,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 812 Invalid, 1693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:06:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2450 states. [2024-11-08 15:06:47,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2450 to 2293. [2024-11-08 15:06:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 1864 states have (on average 1.6148068669527897) internal successors, (3010), 1871 states have internal predecessors, (3010), 406 states have call successors, (406), 18 states have call predecessors, (406), 22 states have return successors, (453), 405 states have call predecessors, (453), 405 states have call successors, (453) [2024-11-08 15:06:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3869 transitions. [2024-11-08 15:06:47,312 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3869 transitions. Word has length 136 [2024-11-08 15:06:47,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:47,312 INFO L471 AbstractCegarLoop]: Abstraction has 2293 states and 3869 transitions. [2024-11-08 15:06:47,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3869 transitions. [2024-11-08 15:06:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 15:06:47,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:47,325 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:47,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:06:47,325 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:47,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:47,326 INFO L85 PathProgramCache]: Analyzing trace with hash 995832232, now seen corresponding path program 1 times [2024-11-08 15:06:47,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:47,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258971891] [2024-11-08 15:06:47,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:47,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:06:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:06:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:06:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:06:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:06:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:06:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:06:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:06:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:47,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:47,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258971891] [2024-11-08 15:06:47,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258971891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:47,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:47,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:47,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522184054] [2024-11-08 15:06:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:47,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:47,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:47,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:47,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:47,458 INFO L87 Difference]: Start difference. First operand 2293 states and 3869 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:48,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:48,660 INFO L93 Difference]: Finished difference Result 5522 states and 9482 transitions. [2024-11-08 15:06:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:48,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-08 15:06:48,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:48,680 INFO L225 Difference]: With dead ends: 5522 [2024-11-08 15:06:48,680 INFO L226 Difference]: Without dead ends: 3679 [2024-11-08 15:06:48,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:48,688 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1032 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:48,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 812 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:06:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3679 states. [2024-11-08 15:06:48,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3679 to 3522. [2024-11-08 15:06:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3522 states, 2914 states have (on average 1.6187371310912835) internal successors, (4717), 2921 states have internal predecessors, (4717), 585 states have call successors, (585), 18 states have call predecessors, (585), 22 states have return successors, (658), 584 states have call predecessors, (658), 584 states have call successors, (658) [2024-11-08 15:06:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 5960 transitions. [2024-11-08 15:06:48,844 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 5960 transitions. Word has length 137 [2024-11-08 15:06:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:48,844 INFO L471 AbstractCegarLoop]: Abstraction has 3522 states and 5960 transitions. [2024-11-08 15:06:48,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 5960 transitions. [2024-11-08 15:06:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 15:06:48,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:48,858 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:48,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:06:48,858 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:48,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:48,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1069788114, now seen corresponding path program 1 times [2024-11-08 15:06:48,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:48,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631145061] [2024-11-08 15:06:48,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:06:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:06:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:06:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:06:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:06:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:06:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:06:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:06:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:06:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:48,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:48,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631145061] [2024-11-08 15:06:48,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631145061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:48,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:48,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:48,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481310081] [2024-11-08 15:06:48,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:48,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:48,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:48,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:48,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:48,969 INFO L87 Difference]: Start difference. First operand 3522 states and 5960 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:50,268 INFO L93 Difference]: Finished difference Result 8470 states and 14629 transitions. [2024-11-08 15:06:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2024-11-08 15:06:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:50,301 INFO L225 Difference]: With dead ends: 8470 [2024-11-08 15:06:50,302 INFO L226 Difference]: Without dead ends: 5710 [2024-11-08 15:06:50,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:50,315 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1030 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:50,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 871 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:06:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2024-11-08 15:06:50,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 5553. [2024-11-08 15:06:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5553 states, 4569 states have (on average 1.6128255635806523) internal successors, (7369), 4576 states have internal predecessors, (7369), 961 states have call successors, (961), 18 states have call predecessors, (961), 22 states have return successors, (1078), 960 states have call predecessors, (1078), 960 states have call successors, (1078) [2024-11-08 15:06:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5553 states to 5553 states and 9408 transitions. [2024-11-08 15:06:50,639 INFO L78 Accepts]: Start accepts. Automaton has 5553 states and 9408 transitions. Word has length 138 [2024-11-08 15:06:50,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:50,640 INFO L471 AbstractCegarLoop]: Abstraction has 5553 states and 9408 transitions. [2024-11-08 15:06:50,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5553 states and 9408 transitions. [2024-11-08 15:06:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:06:50,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:50,660 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:50,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:06:50,661 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:50,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:50,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1962010244, now seen corresponding path program 1 times [2024-11-08 15:06:50,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:50,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884248880] [2024-11-08 15:06:50,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:06:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:06:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:06:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:06:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:06:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:06:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:06:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:06:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 15:06:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:50,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:50,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884248880] [2024-11-08 15:06:50,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884248880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:50,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446028751] [2024-11-08 15:06:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:50,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:50,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:50,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:50,775 INFO L87 Difference]: Start difference. First operand 5553 states and 9408 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:52,205 INFO L93 Difference]: Finished difference Result 13807 states and 23850 transitions. [2024-11-08 15:06:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:52,206 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2024-11-08 15:06:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:52,267 INFO L225 Difference]: With dead ends: 13807 [2024-11-08 15:06:52,267 INFO L226 Difference]: Without dead ends: 9393 [2024-11-08 15:06:52,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:52,288 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1028 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:52,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 847 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [359 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:06:52,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9393 states. [2024-11-08 15:06:52,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9393 to 9236. [2024-11-08 15:06:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9236 states, 7646 states have (on average 1.6106460894585404) internal successors, (12315), 7653 states have internal predecessors, (12315), 1567 states have call successors, (1567), 18 states have call predecessors, (1567), 22 states have return successors, (1762), 1566 states have call predecessors, (1762), 1566 states have call successors, (1762) [2024-11-08 15:06:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9236 states to 9236 states and 15644 transitions. [2024-11-08 15:06:52,709 INFO L78 Accepts]: Start accepts. Automaton has 9236 states and 15644 transitions. Word has length 139 [2024-11-08 15:06:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:52,712 INFO L471 AbstractCegarLoop]: Abstraction has 9236 states and 15644 transitions. [2024-11-08 15:06:52,713 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9236 states and 15644 transitions. [2024-11-08 15:06:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 15:06:52,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:52,739 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:52,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:06:52,739 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:52,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1591987616, now seen corresponding path program 1 times [2024-11-08 15:06:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:52,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753206751] [2024-11-08 15:06:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:52,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:06:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:06:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:06:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:06:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:06:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:06:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:06:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:06:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:06:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:52,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:52,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753206751] [2024-11-08 15:06:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753206751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:52,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:52,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:52,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790002074] [2024-11-08 15:06:52,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:52,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:52,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:52,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:52,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:52,861 INFO L87 Difference]: Start difference. First operand 9236 states and 15644 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:54,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:54,385 INFO L93 Difference]: Finished difference Result 23991 states and 41396 transitions. [2024-11-08 15:06:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:54,385 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2024-11-08 15:06:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:54,463 INFO L225 Difference]: With dead ends: 23991 [2024-11-08 15:06:54,464 INFO L226 Difference]: Without dead ends: 16346 [2024-11-08 15:06:54,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:54,498 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1026 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:54,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 850 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:06:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16346 states. [2024-11-08 15:06:55,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16346 to 16189. [2024-11-08 15:06:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16189 states, 13396 states have (on average 1.601746790086593) internal successors, (21457), 13403 states have internal predecessors, (21457), 2770 states have call successors, (2770), 18 states have call predecessors, (2770), 22 states have return successors, (3109), 2769 states have call predecessors, (3109), 2769 states have call successors, (3109) [2024-11-08 15:06:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16189 states to 16189 states and 27336 transitions. [2024-11-08 15:06:55,112 INFO L78 Accepts]: Start accepts. Automaton has 16189 states and 27336 transitions. Word has length 140 [2024-11-08 15:06:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:55,113 INFO L471 AbstractCegarLoop]: Abstraction has 16189 states and 27336 transitions. [2024-11-08 15:06:55,113 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 16189 states and 27336 transitions. [2024-11-08 15:06:55,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 15:06:55,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:55,145 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:55,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:06:55,146 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:55,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:55,146 INFO L85 PathProgramCache]: Analyzing trace with hash -341142269, now seen corresponding path program 1 times [2024-11-08 15:06:55,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:55,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021461205] [2024-11-08 15:06:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:06:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:06:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:06:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:06:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:06:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:06:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:06:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 15:06:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:55,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:55,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021461205] [2024-11-08 15:06:55,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021461205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:55,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:55,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:55,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050515782] [2024-11-08 15:06:55,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:55,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:55,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:55,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:55,252 INFO L87 Difference]: Start difference. First operand 16189 states and 27336 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:56,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:56,987 INFO L93 Difference]: Finished difference Result 42957 states and 73995 transitions. [2024-11-08 15:06:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:56,988 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-11-08 15:06:56,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:57,112 INFO L225 Difference]: With dead ends: 42957 [2024-11-08 15:06:57,112 INFO L226 Difference]: Without dead ends: 29001 [2024-11-08 15:06:57,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:57,160 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1024 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:57,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 810 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:06:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29001 states. [2024-11-08 15:06:58,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29001 to 28844. [2024-11-08 15:06:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28844 states, 24012 states have (on average 1.597576211894053) internal successors, (38361), 24019 states have internal predecessors, (38361), 4809 states have call successors, (4809), 18 states have call predecessors, (4809), 22 states have return successors, (5422), 4808 states have call predecessors, (5422), 4808 states have call successors, (5422) [2024-11-08 15:06:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28844 states to 28844 states and 48592 transitions. [2024-11-08 15:06:58,530 INFO L78 Accepts]: Start accepts. Automaton has 28844 states and 48592 transitions. Word has length 141 [2024-11-08 15:06:58,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:58,531 INFO L471 AbstractCegarLoop]: Abstraction has 28844 states and 48592 transitions. [2024-11-08 15:06:58,531 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:06:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 28844 states and 48592 transitions. [2024-11-08 15:06:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 15:06:58,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:58,570 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:58,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:06:58,571 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:58,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:58,571 INFO L85 PathProgramCache]: Analyzing trace with hash -196282466, now seen corresponding path program 1 times [2024-11-08 15:06:58,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:58,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541148842] [2024-11-08 15:06:58,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:58,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:06:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:06:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:06:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:06:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:06:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:06:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 15:06:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:58,675 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:58,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:58,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541148842] [2024-11-08 15:06:58,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541148842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:58,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:58,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:58,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136700292] [2024-11-08 15:06:58,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:58,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:58,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:58,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:58,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:58,677 INFO L87 Difference]: Start difference. First operand 28844 states and 48592 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:07:01,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:01,140 INFO L93 Difference]: Finished difference Result 78719 states and 134754 transitions. [2024-11-08 15:07:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:01,141 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-08 15:07:01,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:01,395 INFO L225 Difference]: With dead ends: 78719 [2024-11-08 15:07:01,396 INFO L226 Difference]: Without dead ends: 52880 [2024-11-08 15:07:01,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:01,487 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1022 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:01,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 827 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:07:01,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52880 states. [2024-11-08 15:07:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52880 to 52723. [2024-11-08 15:07:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52723 states, 44176 states have (on average 1.5920409272002898) internal successors, (70330), 44183 states have internal predecessors, (70330), 8524 states have call successors, (8524), 18 states have call predecessors, (8524), 22 states have return successors, (9669), 8523 states have call predecessors, (9669), 8523 states have call successors, (9669) [2024-11-08 15:07:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52723 states to 52723 states and 88523 transitions. [2024-11-08 15:07:03,711 INFO L78 Accepts]: Start accepts. Automaton has 52723 states and 88523 transitions. Word has length 142 [2024-11-08 15:07:03,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:03,711 INFO L471 AbstractCegarLoop]: Abstraction has 52723 states and 88523 transitions. [2024-11-08 15:07:03,712 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:07:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 52723 states and 88523 transitions. [2024-11-08 15:07:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 15:07:03,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:03,770 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:03,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 15:07:03,770 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:03,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:03,770 INFO L85 PathProgramCache]: Analyzing trace with hash -220998141, now seen corresponding path program 1 times [2024-11-08 15:07:03,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:03,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765525012] [2024-11-08 15:07:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:03,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:07:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:07:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:07:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:07:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:07:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:07:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:07:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:07:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:07:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:03,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765525012] [2024-11-08 15:07:03,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765525012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:03,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:03,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83444379] [2024-11-08 15:07:03,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:03,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:03,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:03,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:03,886 INFO L87 Difference]: Start difference. First operand 52723 states and 88523 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:07:07,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:07,318 INFO L93 Difference]: Finished difference Result 98490 states and 168941 transitions. [2024-11-08 15:07:07,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:07,319 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2024-11-08 15:07:07,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:07,942 INFO L225 Difference]: With dead ends: 98490 [2024-11-08 15:07:07,942 INFO L226 Difference]: Without dead ends: 98339 [2024-11-08 15:07:07,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:07,982 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1017 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:07,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 850 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:08,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98339 states. [2024-11-08 15:07:10,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98339 to 98182. [2024-11-08 15:07:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98182 states, 82836 states have (on average 1.5850596359070936) internal successors, (131300), 82843 states have internal predecessors, (131300), 15323 states have call successors, (15323), 18 states have call predecessors, (15323), 22 states have return successors, (17514), 15322 states have call predecessors, (17514), 15322 states have call successors, (17514) [2024-11-08 15:07:11,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98182 states to 98182 states and 164137 transitions. [2024-11-08 15:07:11,555 INFO L78 Accepts]: Start accepts. Automaton has 98182 states and 164137 transitions. Word has length 143 [2024-11-08 15:07:11,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:11,556 INFO L471 AbstractCegarLoop]: Abstraction has 98182 states and 164137 transitions. [2024-11-08 15:07:11,556 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:07:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 98182 states and 164137 transitions. [2024-11-08 15:07:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 15:07:11,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:11,623 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:11,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 15:07:11,623 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:11,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:11,624 INFO L85 PathProgramCache]: Analyzing trace with hash 959678879, now seen corresponding path program 1 times [2024-11-08 15:07:11,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:11,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739073216] [2024-11-08 15:07:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:11,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:11,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:11,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:11,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:11,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:11,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:07:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:07:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:07:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:07:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:07:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:07:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:07:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:07:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:07:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:07:12,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739073216] [2024-11-08 15:07:12,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739073216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213244181] [2024-11-08 15:07:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:12,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:12,088 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:12,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 15:07:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:12,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 15:07:12,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 15:07:12,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:07:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213244181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:12,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:07:12,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-11-08 15:07:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794858243] [2024-11-08 15:07:12,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:07:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:07:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-08 15:07:12,897 INFO L87 Difference]: Start difference. First operand 98182 states and 164137 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-08 15:07:17,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:17,276 INFO L93 Difference]: Finished difference Result 195691 states and 332631 transitions. [2024-11-08 15:07:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 15:07:17,277 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 144 [2024-11-08 15:07:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:18,423 INFO L225 Difference]: With dead ends: 195691 [2024-11-08 15:07:18,423 INFO L226 Difference]: Without dead ends: 195546 [2024-11-08 15:07:18,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 15:07:18,490 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 754 mSDsluCounter, 4049 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 4592 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:18,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 4592 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:07:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195546 states. [2024-11-08 15:07:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195546 to 195518. [2024-11-08 15:07:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195518 states, 165026 states have (on average 1.5858894962005987) internal successors, (261713), 164928 states have internal predecessors, (261713), 30438 states have call successors, (30438), 47 states have call predecessors, (30438), 53 states have return successors, (38092), 30548 states have call predecessors, (38092), 30435 states have call successors, (38092)