./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec3_product34.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 34d763a2f472f3a687bfbf36d5640fefeb493025c54d66615a1e88fff5fbc163 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:55:56,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:55:56,903 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:55:56,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:55:56,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:55:56,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:55:56,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:55:56,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:55:56,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:55:56,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:55:56,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:55:56,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:55:56,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:55:56,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:55:56,940 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:55:56,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:55:56,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:55:56,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:55:56,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:55:56,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:55:56,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:55:56,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:55:56,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:55:56,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:55:56,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:55:56,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:55:56,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:55:56,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:55:56,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:55:56,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:55:56,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:55:56,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:55:56,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:55:56,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:55:56,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:55:56,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:55:56,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:55:56,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:55:56,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:55:56,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:55:56,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:55:56,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:55:56,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d763a2f472f3a687bfbf36d5640fefeb493025c54d66615a1e88fff5fbc163 [2024-11-22 01:55:57,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:55:57,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:55:57,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:55:57,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:55:57,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:55:57,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product34.cil.c [2024-11-22 01:55:58,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:55:59,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:55:59,002 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product34.cil.c [2024-11-22 01:55:59,027 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f0308811/1a5d686f098d4822850eb761bbdd3427/FLAG0f9f0f425 [2024-11-22 01:55:59,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f0308811/1a5d686f098d4822850eb761bbdd3427 [2024-11-22 01:55:59,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:55:59,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:55:59,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:55:59,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:55:59,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:55:59,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:55:59" (1/1) ... [2024-11-22 01:55:59,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52240e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:55:59, skipping insertion in model container [2024-11-22 01:55:59,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:55:59" (1/1) ... [2024-11-22 01:55:59,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:55:59,873 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product34.cil.c[43803,43816] [2024-11-22 01:55:59,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:55:59,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:55:59,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [48] [2024-11-22 01:55:59,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [125] [2024-11-22 01:55:59,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [444] [2024-11-22 01:55:59,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1512] [2024-11-22 01:55:59,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1926] [2024-11-22 01:55:59,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1961] [2024-11-22 01:55:59,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2098] [2024-11-22 01:55:59,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2107] [2024-11-22 01:55:59,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2124] [2024-11-22 01:55:59,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2343] [2024-11-22 01:55:59,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2740] [2024-11-22 01:56:00,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product34.cil.c[43803,43816] [2024-11-22 01:56:00,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:56:00,228 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:56:00,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00 WrapperNode [2024-11-22 01:56:00,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:56:00,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:56:00,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:56:00,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:56:00,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,328 INFO L138 Inliner]: procedures = 135, calls = 226, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1135 [2024-11-22 01:56:00,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:56:00,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:56:00,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:56:00,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:56:00,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,395 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]. [2024-11-22 01:56:00,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:56:00,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:56:00,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:56:00,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:56:00,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (1/1) ... [2024-11-22 01:56:00,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:56:00,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:00,525 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) [2024-11-22 01:56:00,530 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 [2024-11-22 01:56:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-22 01:56:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-22 01:56:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:56:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:56:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-22 01:56:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-22 01:56:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:56:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:56:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-22 01:56:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-22 01:56:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:56:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:56:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:56:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:56:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:56:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:56:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:56:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:56:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-22 01:56:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-22 01:56:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:56:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:56:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:56:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:56:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:56:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:56:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:56:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:56:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:56:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:56:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:56:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-22 01:56:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-22 01:56:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:56:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:56:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:56:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:56:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-22 01:56:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-22 01:56:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:56:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:56:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:56:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:56:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-22 01:56:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-22 01:56:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-22 01:56:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-22 01:56:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:56:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-22 01:56:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:56:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:56:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:56:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:56:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:56:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:56:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:56:00,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:56:00,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:56:02,169 INFO L? ?]: Removed 590 outVars from TransFormulas that were not future-live. [2024-11-22 01:56:02,170 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:56:02,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:56:02,206 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:56:02,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:56:02 BoogieIcfgContainer [2024-11-22 01:56:02,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:56:02,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:56:02,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:56:02,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:56:02,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:55:59" (1/3) ... [2024-11-22 01:56:02,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387e925f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:56:02, skipping insertion in model container [2024-11-22 01:56:02,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:00" (2/3) ... [2024-11-22 01:56:02,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387e925f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:56:02, skipping insertion in model container [2024-11-22 01:56:02,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:56:02" (3/3) ... [2024-11-22 01:56:02,219 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2024-11-22 01:56:02,238 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:56:02,238 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:56:02,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:56:02,340 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;@415afa9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:56:02,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:56:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 458 states, 351 states have (on average 1.5327635327635327) internal successors, (538), 358 states have internal predecessors, (538), 76 states have call successors, (76), 29 states have call predecessors, (76), 29 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-22 01:56:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 01:56:02,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:02,383 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:02,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:02,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 379837730, now seen corresponding path program 1 times [2024-11-22 01:56:02,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:02,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962060175] [2024-11-22 01:56:02,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:02,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-22 01:56:03,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:03,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962060175] [2024-11-22 01:56:03,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962060175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:03,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034232220] [2024-11-22 01:56:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:03,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:03,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:03,408 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) [2024-11-22 01:56:03,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:56:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:03,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:56:03,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-22 01:56:03,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:03,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034232220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:03,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:03,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:56:03,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393344232] [2024-11-22 01:56:03,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:03,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:56:03,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:03,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:56:03,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:03,988 INFO L87 Difference]: Start difference. First operand has 458 states, 351 states have (on average 1.5327635327635327) internal successors, (538), 358 states have internal predecessors, (538), 76 states have call successors, (76), 29 states have call predecessors, (76), 29 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:04,061 INFO L93 Difference]: Finished difference Result 722 states and 1070 transitions. [2024-11-22 01:56:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:56:04,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 158 [2024-11-22 01:56:04,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:04,086 INFO L225 Difference]: With dead ends: 722 [2024-11-22 01:56:04,087 INFO L226 Difference]: Without dead ends: 450 [2024-11-22 01:56:04,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:04,103 INFO L432 NwaCegarLoop]: 684 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, 684 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 [2024-11-22 01:56:04,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-22 01:56:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-22 01:56:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 345 states have (on average 1.527536231884058) internal successors, (527), 350 states have internal predecessors, (527), 76 states have call successors, (76), 29 states have call predecessors, (76), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-22 01:56:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 676 transitions. [2024-11-22 01:56:04,206 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 676 transitions. Word has length 158 [2024-11-22 01:56:04,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:04,208 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 676 transitions. [2024-11-22 01:56:04,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 676 transitions. [2024-11-22 01:56:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-22 01:56:04,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:04,215 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:04,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 01:56:04,416 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 [2024-11-22 01:56:04,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:04,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1402145748, now seen corresponding path program 1 times [2024-11-22 01:56:04,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:04,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739523970] [2024-11-22 01:56:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-22 01:56:04,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:04,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739523970] [2024-11-22 01:56:04,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739523970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:04,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905015659] [2024-11-22 01:56:04,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:04,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:04,790 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) [2024-11-22 01:56:04,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:56:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:05,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:56:05,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-22 01:56:05,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:05,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905015659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:05,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906713703] [2024-11-22 01:56:05,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:05,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:05,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:05,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:05,283 INFO L87 Difference]: Start difference. First operand 450 states and 676 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:05,346 INFO L93 Difference]: Finished difference Result 711 states and 1044 transitions. [2024-11-22 01:56:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:05,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-11-22 01:56:05,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:05,355 INFO L225 Difference]: With dead ends: 711 [2024-11-22 01:56:05,358 INFO L226 Difference]: Without dead ends: 453 [2024-11-22 01:56:05,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:05,361 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 1 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1346 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 [2024-11-22 01:56:05,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1346 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-22 01:56:05,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 452. [2024-11-22 01:56:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 347 states have (on average 1.5244956772334295) internal successors, (529), 352 states have internal predecessors, (529), 76 states have call successors, (76), 29 states have call predecessors, (76), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-22 01:56:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 678 transitions. [2024-11-22 01:56:05,407 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 678 transitions. Word has length 159 [2024-11-22 01:56:05,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:05,408 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 678 transitions. [2024-11-22 01:56:05,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 678 transitions. [2024-11-22 01:56:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 01:56:05,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:05,413 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:05,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 01:56:05,614 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 [2024-11-22 01:56:05,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:05,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash 119441699, now seen corresponding path program 1 times [2024-11-22 01:56:05,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:05,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909204638] [2024-11-22 01:56:05,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 01:56:05,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:05,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909204638] [2024-11-22 01:56:05,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909204638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:05,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763830745] [2024-11-22 01:56:05,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:05,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:05,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:05,932 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) [2024-11-22 01:56:05,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:56:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:06,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:06,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-22 01:56:06,368 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:06,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763830745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:06,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:06,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:06,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231110829] [2024-11-22 01:56:06,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:06,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:06,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:06,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:06,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:06,373 INFO L87 Difference]: Start difference. First operand 452 states and 678 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:06,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:06,418 INFO L93 Difference]: Finished difference Result 952 states and 1448 transitions. [2024-11-22 01:56:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:06,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 165 [2024-11-22 01:56:06,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:06,423 INFO L225 Difference]: With dead ends: 952 [2024-11-22 01:56:06,423 INFO L226 Difference]: Without dead ends: 527 [2024-11-22 01:56:06,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:06,427 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 134 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1323 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 [2024-11-22 01:56:06,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1323 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-22 01:56:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 519. [2024-11-22 01:56:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 400 states have (on average 1.545) internal successors, (618), 405 states have internal predecessors, (618), 90 states have call successors, (90), 29 states have call predecessors, (90), 28 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-22 01:56:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 795 transitions. [2024-11-22 01:56:06,464 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 795 transitions. Word has length 165 [2024-11-22 01:56:06,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:06,465 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 795 transitions. [2024-11-22 01:56:06,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 795 transitions. [2024-11-22 01:56:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 01:56:06,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:06,470 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:06,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:56:06,673 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 [2024-11-22 01:56:06,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:06,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash 303383336, now seen corresponding path program 1 times [2024-11-22 01:56:06,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:06,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123504545] [2024-11-22 01:56:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:06,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:06,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:06,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123504545] [2024-11-22 01:56:06,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123504545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:06,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356543835] [2024-11-22 01:56:06,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:06,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:06,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:06,915 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) [2024-11-22 01:56:06,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:56:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:07,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:56:07,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:56:07,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:07,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356543835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:07,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:07,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:56:07,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370945041] [2024-11-22 01:56:07,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:07,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:07,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:07,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:07,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:07,410 INFO L87 Difference]: Start difference. First operand 519 states and 795 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:56:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:07,488 INFO L93 Difference]: Finished difference Result 1029 states and 1580 transitions. [2024-11-22 01:56:07,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:07,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-22 01:56:07,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:07,495 INFO L225 Difference]: With dead ends: 1029 [2024-11-22 01:56:07,495 INFO L226 Difference]: Without dead ends: 521 [2024-11-22 01:56:07,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:07,499 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 2 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2661 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 [2024-11-22 01:56:07,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2661 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:07,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-22 01:56:07,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-11-22 01:56:07,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 401 states have (on average 1.5436408977556109) internal successors, (619), 407 states have internal predecessors, (619), 90 states have call successors, (90), 29 states have call predecessors, (90), 29 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2024-11-22 01:56:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 798 transitions. [2024-11-22 01:56:07,530 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 798 transitions. Word has length 147 [2024-11-22 01:56:07,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:07,531 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 798 transitions. [2024-11-22 01:56:07,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:56:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 798 transitions. [2024-11-22 01:56:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 01:56:07,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:07,536 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:07,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 01:56:07,739 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 [2024-11-22 01:56:07,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:07,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:07,741 INFO L85 PathProgramCache]: Analyzing trace with hash -612397421, now seen corresponding path program 1 times [2024-11-22 01:56:07,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:07,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052917473] [2024-11-22 01:56:07,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:07,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-22 01:56:07,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:07,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052917473] [2024-11-22 01:56:07,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052917473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:07,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288977580] [2024-11-22 01:56:07,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:07,956 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) [2024-11-22 01:56:07,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:56:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:08,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:56:08,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:56:08,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:08,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288977580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:08,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:08,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:56:08,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408127508] [2024-11-22 01:56:08,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:08,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:08,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:08,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:08,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:56:08,394 INFO L87 Difference]: Start difference. First operand 521 states and 798 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:56:08,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:08,473 INFO L93 Difference]: Finished difference Result 1031 states and 1585 transitions. [2024-11-22 01:56:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:08,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-22 01:56:08,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:08,498 INFO L225 Difference]: With dead ends: 1031 [2024-11-22 01:56:08,498 INFO L226 Difference]: Without dead ends: 523 [2024-11-22 01:56:08,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:56:08,501 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 2 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2647 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 [2024-11-22 01:56:08,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2647 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:08,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-22 01:56:08,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-22 01:56:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 402 states have (on average 1.5422885572139304) internal successors, (620), 409 states have internal predecessors, (620), 90 states have call successors, (90), 29 states have call predecessors, (90), 30 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-11-22 01:56:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 804 transitions. [2024-11-22 01:56:08,528 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 804 transitions. Word has length 148 [2024-11-22 01:56:08,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:08,528 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 804 transitions. [2024-11-22 01:56:08,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:56:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 804 transitions. [2024-11-22 01:56:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 01:56:08,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:08,532 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:08,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 01:56:08,733 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 [2024-11-22 01:56:08,734 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:08,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:08,734 INFO L85 PathProgramCache]: Analyzing trace with hash -342668476, now seen corresponding path program 1 times [2024-11-22 01:56:08,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:08,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409745179] [2024-11-22 01:56:08,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:08,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:08,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:08,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409745179] [2024-11-22 01:56:08,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409745179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:08,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:08,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:56:08,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675059891] [2024-11-22 01:56:08,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:08,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:08,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:08,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:08,934 INFO L87 Difference]: Start difference. First operand 523 states and 804 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:56:08,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:08,987 INFO L93 Difference]: Finished difference Result 1023 states and 1576 transitions. [2024-11-22 01:56:08,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:08,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-22 01:56:08,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:08,993 INFO L225 Difference]: With dead ends: 1023 [2024-11-22 01:56:08,993 INFO L226 Difference]: Without dead ends: 523 [2024-11-22 01:56:08,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:08,998 INFO L432 NwaCegarLoop]: 669 mSDtfsCounter, 2 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:08,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2665 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-22 01:56:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-22 01:56:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 402 states have (on average 1.5422885572139304) internal successors, (620), 409 states have internal predecessors, (620), 90 states have call successors, (90), 29 states have call predecessors, (90), 30 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2024-11-22 01:56:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 803 transitions. [2024-11-22 01:56:09,023 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 803 transitions. Word has length 149 [2024-11-22 01:56:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:09,023 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 803 transitions. [2024-11-22 01:56:09,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:56:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 803 transitions. [2024-11-22 01:56:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 01:56:09,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:09,027 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-22 01:56:09,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:56:09,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:09,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:09,028 INFO L85 PathProgramCache]: Analyzing trace with hash 623054284, now seen corresponding path program 1 times [2024-11-22 01:56:09,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:09,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017063337] [2024-11-22 01:56:09,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:09,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 01:56:09,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:09,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017063337] [2024-11-22 01:56:09,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017063337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:09,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:09,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:56:09,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001949278] [2024-11-22 01:56:09,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:09,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:09,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:09,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:09,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:09,218 INFO L87 Difference]: Start difference. First operand 523 states and 803 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:56:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:09,295 INFO L93 Difference]: Finished difference Result 1025 states and 1579 transitions. [2024-11-22 01:56:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:09,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 169 [2024-11-22 01:56:09,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:09,300 INFO L225 Difference]: With dead ends: 1025 [2024-11-22 01:56:09,300 INFO L226 Difference]: Without dead ends: 525 [2024-11-22 01:56:09,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:09,302 INFO L432 NwaCegarLoop]: 670 mSDtfsCounter, 1 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:09,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2668 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:56:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-22 01:56:09,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2024-11-22 01:56:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 403 states have (on average 1.5409429280397022) internal successors, (621), 411 states have internal predecessors, (621), 90 states have call successors, (90), 29 states have call predecessors, (90), 31 states have return successors, (95), 86 states have call predecessors, (95), 87 states have call successors, (95) [2024-11-22 01:56:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 806 transitions. [2024-11-22 01:56:09,323 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 806 transitions. Word has length 169 [2024-11-22 01:56:09,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:09,323 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 806 transitions. [2024-11-22 01:56:09,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:56:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 806 transitions. [2024-11-22 01:56:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 01:56:09,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:09,327 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:09,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:56:09,327 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:09,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash -833108624, now seen corresponding path program 1 times [2024-11-22 01:56:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:09,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880234139] [2024-11-22 01:56:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:09,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:09,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880234139] [2024-11-22 01:56:09,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880234139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:09,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:09,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:56:09,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089560832] [2024-11-22 01:56:09,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:09,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:56:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:09,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:56:09,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:09,515 INFO L87 Difference]: Start difference. First operand 525 states and 806 transitions. Second operand has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:56:09,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:09,665 INFO L93 Difference]: Finished difference Result 1027 states and 1578 transitions. [2024-11-22 01:56:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:56:09,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 170 [2024-11-22 01:56:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:09,670 INFO L225 Difference]: With dead ends: 1027 [2024-11-22 01:56:09,671 INFO L226 Difference]: Without dead ends: 527 [2024-11-22 01:56:09,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:56:09,674 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 7 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4591 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:09,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4591 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:56:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-22 01:56:09,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2024-11-22 01:56:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 405 states have (on average 1.5382716049382716) internal successors, (623), 412 states have internal predecessors, (623), 90 states have call successors, (90), 30 states have call predecessors, (90), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-11-22 01:56:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 807 transitions. [2024-11-22 01:56:09,696 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 807 transitions. Word has length 170 [2024-11-22 01:56:09,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:09,697 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 807 transitions. [2024-11-22 01:56:09,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:56:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 807 transitions. [2024-11-22 01:56:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-22 01:56:09,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:09,701 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-22 01:56:09,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:56:09,701 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:09,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2028900281, now seen corresponding path program 2 times [2024-11-22 01:56:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:09,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729562590] [2024-11-22 01:56:09,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:56:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:09,747 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 01:56:09,747 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:56:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 01:56:09,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:09,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729562590] [2024-11-22 01:56:09,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729562590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:09,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:09,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 01:56:09,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756849755] [2024-11-22 01:56:09,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:09,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:56:09,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:09,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:56:09,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:56:09,926 INFO L87 Difference]: Start difference. First operand 527 states and 807 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 4 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:56:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:10,012 INFO L93 Difference]: Finished difference Result 1027 states and 1582 transitions. [2024-11-22 01:56:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:56:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 4 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 171 [2024-11-22 01:56:10,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:10,018 INFO L225 Difference]: With dead ends: 1027 [2024-11-22 01:56:10,018 INFO L226 Difference]: Without dead ends: 529 [2024-11-22 01:56:10,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:56:10,021 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 2 mSDsluCounter, 2649 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:10,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3317 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:56:10,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-22 01:56:10,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2024-11-22 01:56:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 406 states have (on average 1.5369458128078817) internal successors, (624), 414 states have internal predecessors, (624), 90 states have call successors, (90), 30 states have call predecessors, (90), 32 states have return successors, (99), 86 states have call predecessors, (99), 87 states have call successors, (99) [2024-11-22 01:56:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 813 transitions. [2024-11-22 01:56:10,043 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 813 transitions. Word has length 171 [2024-11-22 01:56:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:10,043 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 813 transitions. [2024-11-22 01:56:10,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 4 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:56:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 813 transitions. [2024-11-22 01:56:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 01:56:10,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:10,047 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:10,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:56:10,047 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:10,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:10,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1201850510, now seen corresponding path program 1 times [2024-11-22 01:56:10,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:10,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115426198] [2024-11-22 01:56:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:10,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115426198] [2024-11-22 01:56:10,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115426198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304731239] [2024-11-22 01:56:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:10,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:10,196 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) [2024-11-22 01:56:10,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:56:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:10,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:10,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:10,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:56:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:10,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304731239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:56:10,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:56:10,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 01:56:10,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936817778] [2024-11-22 01:56:10,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:56:10,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:56:10,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:10,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:56:10,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:56:10,731 INFO L87 Difference]: Start difference. First operand 529 states and 813 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-22 01:56:10,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:10,905 INFO L93 Difference]: Finished difference Result 1229 states and 1951 transitions. [2024-11-22 01:56:10,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:56:10,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 153 [2024-11-22 01:56:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:10,912 INFO L225 Difference]: With dead ends: 1229 [2024-11-22 01:56:10,913 INFO L226 Difference]: Without dead ends: 971 [2024-11-22 01:56:10,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:56:10,915 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 523 mSDsluCounter, 2184 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:10,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 2878 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:56:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-11-22 01:56:10,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 947. [2024-11-22 01:56:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 745 states have (on average 1.6067114093959731) internal successors, (1197), 753 states have internal predecessors, (1197), 169 states have call successors, (169), 30 states have call predecessors, (169), 32 states have return successors, (188), 165 states have call predecessors, (188), 166 states have call successors, (188) [2024-11-22 01:56:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1554 transitions. [2024-11-22 01:56:10,993 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1554 transitions. Word has length 153 [2024-11-22 01:56:10,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:10,994 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1554 transitions. [2024-11-22 01:56:10,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-22 01:56:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1554 transitions. [2024-11-22 01:56:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 01:56:10,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:11,000 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:11,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 01:56:11,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:11,201 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:11,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash -576021042, now seen corresponding path program 1 times [2024-11-22 01:56:11,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:11,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501737495] [2024-11-22 01:56:11,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:11,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 01:56:11,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:11,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501737495] [2024-11-22 01:56:11,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501737495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:11,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:11,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:11,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89981582] [2024-11-22 01:56:11,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:11,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:11,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:11,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:11,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:11,286 INFO L87 Difference]: Start difference. First operand 947 states and 1554 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:11,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:11,341 INFO L93 Difference]: Finished difference Result 2247 states and 3743 transitions. [2024-11-22 01:56:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:11,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 178 [2024-11-22 01:56:11,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:11,351 INFO L225 Difference]: With dead ends: 2247 [2024-11-22 01:56:11,352 INFO L226 Difference]: Without dead ends: 1370 [2024-11-22 01:56:11,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:11,357 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 132 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1358 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 [2024-11-22 01:56:11,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1358 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:11,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2024-11-22 01:56:11,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1362. [2024-11-22 01:56:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1081 states have (on average 1.6253469010175763) internal successors, (1757), 1089 states have internal predecessors, (1757), 248 states have call successors, (248), 30 states have call predecessors, (248), 32 states have return successors, (277), 244 states have call predecessors, (277), 245 states have call successors, (277) [2024-11-22 01:56:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 2282 transitions. [2024-11-22 01:56:11,416 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 2282 transitions. Word has length 178 [2024-11-22 01:56:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:11,417 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 2282 transitions. [2024-11-22 01:56:11,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 2282 transitions. [2024-11-22 01:56:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 01:56:11,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:11,426 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:11,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:56:11,426 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:11,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:11,427 INFO L85 PathProgramCache]: Analyzing trace with hash 957554800, now seen corresponding path program 1 times [2024-11-22 01:56:11,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:11,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026582676] [2024-11-22 01:56:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:11,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:11,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026582676] [2024-11-22 01:56:11,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026582676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:11,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:11,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:11,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616150192] [2024-11-22 01:56:11,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:11,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:11,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:11,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:11,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:11,503 INFO L87 Difference]: Start difference. First operand 1362 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:11,573 INFO L93 Difference]: Finished difference Result 3261 states and 5505 transitions. [2024-11-22 01:56:11,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:11,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2024-11-22 01:56:11,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:11,587 INFO L225 Difference]: With dead ends: 3261 [2024-11-22 01:56:11,588 INFO L226 Difference]: Without dead ends: 2022 [2024-11-22 01:56:11,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:11,594 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 130 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1352 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 [2024-11-22 01:56:11,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1352 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2024-11-22 01:56:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 2014. [2024-11-22 01:56:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2014 states, 1614 states have (on average 1.6381660470879802) internal successors, (2644), 1622 states have internal predecessors, (2644), 367 states have call successors, (367), 30 states have call predecessors, (367), 32 states have return successors, (396), 363 states have call predecessors, (396), 364 states have call successors, (396) [2024-11-22 01:56:11,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 2014 states and 3407 transitions. [2024-11-22 01:56:11,747 INFO L78 Accepts]: Start accepts. Automaton has 2014 states and 3407 transitions. Word has length 160 [2024-11-22 01:56:11,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:11,748 INFO L471 AbstractCegarLoop]: Abstraction has 2014 states and 3407 transitions. [2024-11-22 01:56:11,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 3407 transitions. [2024-11-22 01:56:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-22 01:56:11,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:11,761 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:11,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:56:11,761 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:11,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:11,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1487363699, now seen corresponding path program 1 times [2024-11-22 01:56:11,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896027859] [2024-11-22 01:56:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:11,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:11,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896027859] [2024-11-22 01:56:11,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896027859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:11,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:11,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:11,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303426305] [2024-11-22 01:56:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:11,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:11,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:11,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:11,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:11,854 INFO L87 Difference]: Start difference. First operand 2014 states and 3407 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:11,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:11,959 INFO L93 Difference]: Finished difference Result 4791 states and 8173 transitions. [2024-11-22 01:56:11,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:11,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-22 01:56:11,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:11,981 INFO L225 Difference]: With dead ends: 4791 [2024-11-22 01:56:11,981 INFO L226 Difference]: Without dead ends: 3025 [2024-11-22 01:56:11,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:11,991 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 128 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1341 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 [2024-11-22 01:56:11,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1341 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3025 states. [2024-11-22 01:56:12,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3025 to 3017. [2024-11-22 01:56:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2455 states have (on average 1.6480651731160896) internal successors, (4046), 2463 states have internal predecessors, (4046), 529 states have call successors, (529), 30 states have call predecessors, (529), 32 states have return successors, (574), 525 states have call predecessors, (574), 526 states have call successors, (574) [2024-11-22 01:56:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 5149 transitions. [2024-11-22 01:56:12,140 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 5149 transitions. Word has length 161 [2024-11-22 01:56:12,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:12,141 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 5149 transitions. [2024-11-22 01:56:12,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 5149 transitions. [2024-11-22 01:56:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 01:56:12,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:12,159 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:12,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:56:12,159 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:12,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:12,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2143795855, now seen corresponding path program 1 times [2024-11-22 01:56:12,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:12,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844037069] [2024-11-22 01:56:12,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:12,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:12,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:12,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844037069] [2024-11-22 01:56:12,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844037069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:12,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:12,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:12,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593655183] [2024-11-22 01:56:12,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:12,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:12,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:12,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:12,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:12,242 INFO L87 Difference]: Start difference. First operand 3017 states and 5149 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:12,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:12,427 INFO L93 Difference]: Finished difference Result 7215 states and 12405 transitions. [2024-11-22 01:56:12,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:12,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-22 01:56:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:12,461 INFO L225 Difference]: With dead ends: 7215 [2024-11-22 01:56:12,461 INFO L226 Difference]: Without dead ends: 4650 [2024-11-22 01:56:12,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:12,474 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 126 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1341 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 [2024-11-22 01:56:12,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1341 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:12,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2024-11-22 01:56:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4642. [2024-11-22 01:56:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4642 states, 3835 states have (on average 1.6550195567144719) internal successors, (6347), 3843 states have internal predecessors, (6347), 774 states have call successors, (774), 30 states have call predecessors, (774), 32 states have return successors, (845), 770 states have call predecessors, (845), 771 states have call successors, (845) [2024-11-22 01:56:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4642 states to 4642 states and 7966 transitions. [2024-11-22 01:56:12,759 INFO L78 Accepts]: Start accepts. Automaton has 4642 states and 7966 transitions. Word has length 162 [2024-11-22 01:56:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:12,759 INFO L471 AbstractCegarLoop]: Abstraction has 4642 states and 7966 transitions. [2024-11-22 01:56:12,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4642 states and 7966 transitions. [2024-11-22 01:56:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 01:56:12,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:12,789 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:12,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:56:12,790 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:12,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:12,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2052565207, now seen corresponding path program 1 times [2024-11-22 01:56:12,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:12,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92110595] [2024-11-22 01:56:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:12,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:12,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92110595] [2024-11-22 01:56:12,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92110595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:12,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:12,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:12,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196370263] [2024-11-22 01:56:12,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:12,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:12,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:12,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:12,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:12,879 INFO L87 Difference]: Start difference. First operand 4642 states and 7966 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:13,186 INFO L93 Difference]: Finished difference Result 11261 states and 19465 transitions. [2024-11-22 01:56:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:13,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-22 01:56:13,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:13,255 INFO L225 Difference]: With dead ends: 11261 [2024-11-22 01:56:13,257 INFO L226 Difference]: Without dead ends: 7383 [2024-11-22 01:56:13,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:13,281 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 124 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1364 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 [2024-11-22 01:56:13,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1364 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:13,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2024-11-22 01:56:13,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7375. [2024-11-22 01:56:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 6075 states have (on average 1.6546502057613168) internal successors, (10052), 6083 states have internal predecessors, (10052), 1267 states have call successors, (1267), 30 states have call predecessors, (1267), 32 states have return successors, (1382), 1263 states have call predecessors, (1382), 1264 states have call successors, (1382) [2024-11-22 01:56:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 12701 transitions. [2024-11-22 01:56:13,855 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 12701 transitions. Word has length 163 [2024-11-22 01:56:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:13,856 INFO L471 AbstractCegarLoop]: Abstraction has 7375 states and 12701 transitions. [2024-11-22 01:56:13,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 12701 transitions. [2024-11-22 01:56:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 01:56:13,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:13,901 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:13,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:56:13,901 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:13,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:13,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1296412629, now seen corresponding path program 1 times [2024-11-22 01:56:13,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:13,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010813319] [2024-11-22 01:56:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:13,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:13,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:13,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010813319] [2024-11-22 01:56:13,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010813319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:13,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:13,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:13,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289513432] [2024-11-22 01:56:13,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:13,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:13,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:13,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:13,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:13,992 INFO L87 Difference]: Start difference. First operand 7375 states and 12701 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:14,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:14,506 INFO L93 Difference]: Finished difference Result 18596 states and 32238 transitions. [2024-11-22 01:56:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:14,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-22 01:56:14,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:14,596 INFO L225 Difference]: With dead ends: 18596 [2024-11-22 01:56:14,597 INFO L226 Difference]: Without dead ends: 12362 [2024-11-22 01:56:14,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:14,633 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 122 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1344 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 [2024-11-22 01:56:14,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1344 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:14,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12362 states. [2024-11-22 01:56:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12362 to 12354. [2024-11-22 01:56:15,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12354 states, 10232 states have (on average 1.6557857701329164) internal successors, (16942), 10240 states have internal predecessors, (16942), 2089 states have call successors, (2089), 30 states have call predecessors, (2089), 32 states have return successors, (2282), 2085 states have call predecessors, (2282), 2086 states have call successors, (2282) [2024-11-22 01:56:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12354 states to 12354 states and 21313 transitions. [2024-11-22 01:56:15,449 INFO L78 Accepts]: Start accepts. Automaton has 12354 states and 21313 transitions. Word has length 164 [2024-11-22 01:56:15,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:15,450 INFO L471 AbstractCegarLoop]: Abstraction has 12354 states and 21313 transitions. [2024-11-22 01:56:15,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12354 states and 21313 transitions. [2024-11-22 01:56:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-22 01:56:15,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:15,509 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:15,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:56:15,510 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:15,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:15,510 INFO L85 PathProgramCache]: Analyzing trace with hash 465039970, now seen corresponding path program 1 times [2024-11-22 01:56:15,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:15,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742854175] [2024-11-22 01:56:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 01:56:15,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742854175] [2024-11-22 01:56:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742854175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860031306] [2024-11-22 01:56:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:15,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:15,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:15,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:15,601 INFO L87 Difference]: Start difference. First operand 12354 states and 21313 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:16,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:16,244 INFO L93 Difference]: Finished difference Result 29554 states and 50922 transitions. [2024-11-22 01:56:16,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:16,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2024-11-22 01:56:16,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:16,351 INFO L225 Difference]: With dead ends: 29554 [2024-11-22 01:56:16,352 INFO L226 Difference]: Without dead ends: 19315 [2024-11-22 01:56:16,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:16,400 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 120 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1324 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 [2024-11-22 01:56:16,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1324 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:16,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19315 states. [2024-11-22 01:56:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19315 to 19307. [2024-11-22 01:56:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19307 states, 15982 states have (on average 1.6320860968589663) internal successors, (26084), 15990 states have internal predecessors, (26084), 3292 states have call successors, (3292), 30 states have call predecessors, (3292), 32 states have return successors, (3629), 3288 states have call predecessors, (3629), 3289 states have call successors, (3629) [2024-11-22 01:56:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19307 states to 19307 states and 33005 transitions. [2024-11-22 01:56:17,503 INFO L78 Accepts]: Start accepts. Automaton has 19307 states and 33005 transitions. Word has length 184 [2024-11-22 01:56:17,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:17,504 INFO L471 AbstractCegarLoop]: Abstraction has 19307 states and 33005 transitions. [2024-11-22 01:56:17,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 19307 states and 33005 transitions. [2024-11-22 01:56:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 01:56:17,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:17,578 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:17,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:56:17,578 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:17,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash -842314877, now seen corresponding path program 1 times [2024-11-22 01:56:17,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:17,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290148262] [2024-11-22 01:56:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 01:56:17,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:17,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290148262] [2024-11-22 01:56:17,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290148262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:17,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:17,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227236321] [2024-11-22 01:56:17,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:17,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:17,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:17,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:17,687 INFO L87 Difference]: Start difference. First operand 19307 states and 33005 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:18,969 INFO L93 Difference]: Finished difference Result 50986 states and 87502 transitions. [2024-11-22 01:56:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:18,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 185 [2024-11-22 01:56:18,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:19,161 INFO L225 Difference]: With dead ends: 50986 [2024-11-22 01:56:19,161 INFO L226 Difference]: Without dead ends: 34436 [2024-11-22 01:56:19,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:19,239 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 118 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1344 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 [2024-11-22 01:56:19,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1344 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:19,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34436 states. [2024-11-22 01:56:20,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34436 to 34428. [2024-11-22 01:56:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34428 states, 28653 states have (on average 1.6293930827487524) internal successors, (46687), 28661 states have internal predecessors, (46687), 5742 states have call successors, (5742), 30 states have call predecessors, (5742), 32 states have return successors, (6353), 5738 states have call predecessors, (6353), 5739 states have call successors, (6353) [2024-11-22 01:56:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34428 states to 34428 states and 58782 transitions. [2024-11-22 01:56:21,259 INFO L78 Accepts]: Start accepts. Automaton has 34428 states and 58782 transitions. Word has length 185 [2024-11-22 01:56:21,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:21,261 INFO L471 AbstractCegarLoop]: Abstraction has 34428 states and 58782 transitions. [2024-11-22 01:56:21,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:21,261 INFO L276 IsEmpty]: Start isEmpty. Operand 34428 states and 58782 transitions. [2024-11-22 01:56:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 01:56:21,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:21,361 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:21,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:56:21,361 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:21,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash -980546319, now seen corresponding path program 1 times [2024-11-22 01:56:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:21,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468520198] [2024-11-22 01:56:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:56:21,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:21,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468520198] [2024-11-22 01:56:21,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468520198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:21,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:21,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:21,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051404824] [2024-11-22 01:56:21,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:21,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:21,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:21,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:21,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:21,453 INFO L87 Difference]: Start difference. First operand 34428 states and 58782 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:23,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:23,613 INFO L93 Difference]: Finished difference Result 93858 states and 160764 transitions. [2024-11-22 01:56:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:23,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2024-11-22 01:56:23,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:23,972 INFO L225 Difference]: With dead ends: 93858 [2024-11-22 01:56:23,972 INFO L226 Difference]: Without dead ends: 63103 [2024-11-22 01:56:24,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:24,076 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 116 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1354 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 [2024-11-22 01:56:24,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1354 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:24,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63103 states. [2024-11-22 01:56:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63103 to 63095. [2024-11-22 01:56:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63095 states, 52807 states have (on average 1.625504194519666) internal successors, (85838), 52815 states have internal predecessors, (85838), 10255 states have call successors, (10255), 30 states have call predecessors, (10255), 32 states have return successors, (11398), 10251 states have call predecessors, (11398), 10252 states have call successors, (11398) [2024-11-22 01:56:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63095 states to 63095 states and 107491 transitions. [2024-11-22 01:56:27,340 INFO L78 Accepts]: Start accepts. Automaton has 63095 states and 107491 transitions. Word has length 167 [2024-11-22 01:56:27,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:27,341 INFO L471 AbstractCegarLoop]: Abstraction has 63095 states and 107491 transitions. [2024-11-22 01:56:27,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:56:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 63095 states and 107491 transitions. [2024-11-22 01:56:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 01:56:27,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:27,438 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:27,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:56:27,439 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:27,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2131127747, now seen corresponding path program 1 times [2024-11-22 01:56:27,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:27,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985468664] [2024-11-22 01:56:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:27,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 01:56:27,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:27,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985468664] [2024-11-22 01:56:27,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985468664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:27,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:27,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998592181] [2024-11-22 01:56:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:27,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:27,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:27,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:27,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:27,528 INFO L87 Difference]: Start difference. First operand 63095 states and 107491 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:30,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:30,522 INFO L93 Difference]: Finished difference Result 118234 states and 201829 transitions. [2024-11-22 01:56:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:30,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 187 [2024-11-22 01:56:30,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:31,104 INFO L225 Difference]: With dead ends: 118234 [2024-11-22 01:56:31,105 INFO L226 Difference]: Without dead ends: 117976 [2024-11-22 01:56:31,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:31,182 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 111 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:31,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1358 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:31,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117976 states. [2024-11-22 01:56:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117976 to 117968. [2024-11-22 01:56:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117968 states, 99312 states have (on average 1.6204386176897052) internal successors, (160929), 99320 states have internal predecessors, (160929), 18623 states have call successors, (18623), 30 states have call predecessors, (18623), 32 states have return successors, (20812), 18619 states have call predecessors, (20812), 18620 states have call successors, (20812) [2024-11-22 01:56:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117968 states to 117968 states and 200364 transitions. [2024-11-22 01:56:36,070 INFO L78 Accepts]: Start accepts. Automaton has 117968 states and 200364 transitions. Word has length 187 [2024-11-22 01:56:36,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:36,070 INFO L471 AbstractCegarLoop]: Abstraction has 117968 states and 200364 transitions. [2024-11-22 01:56:36,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:56:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 117968 states and 200364 transitions. [2024-11-22 01:56:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 01:56:36,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:36,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:36,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:56:36,240 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:36,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:36,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1942634320, now seen corresponding path program 1 times [2024-11-22 01:56:36,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:36,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094788602] [2024-11-22 01:56:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:36,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:37,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:37,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094788602] [2024-11-22 01:56:37,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094788602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:37,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002475915] [2024-11-22 01:56:37,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:37,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:37,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:37,211 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) [2024-11-22 01:56:37,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 01:56:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:37,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 01:56:37,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 01:56:37,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:56:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-22 01:56:38,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002475915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:56:38,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:56:38,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 28 [2024-11-22 01:56:38,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542268366] [2024-11-22 01:56:38,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:56:38,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-22 01:56:38,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:38,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-22 01:56:38,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2024-11-22 01:56:38,312 INFO L87 Difference]: Start difference. First operand 117968 states and 200364 transitions. Second operand has 28 states, 26 states have (on average 10.0) internal successors, (260), 24 states have internal predecessors, (260), 9 states have call successors, (55), 8 states have call predecessors, (55), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) [2024-11-22 01:56:58,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:58,579 INFO L93 Difference]: Finished difference Result 470474 states and 822974 transitions. [2024-11-22 01:56:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-11-22 01:56:58,580 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 10.0) internal successors, (260), 24 states have internal predecessors, (260), 9 states have call successors, (55), 8 states have call predecessors, (55), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) Word has length 169 [2024-11-22 01:56:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:57:01,971 INFO L225 Difference]: With dead ends: 470474 [2024-11-22 01:57:01,971 INFO L226 Difference]: Without dead ends: 470220 [2024-11-22 01:57:02,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3483 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1363, Invalid=11293, Unknown=0, NotChecked=0, Total=12656 [2024-11-22 01:57:02,191 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 7969 mSDsluCounter, 6076 mSDsCounter, 0 mSdLazyCounter, 15808 mSolverCounterSat, 2628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8045 SdHoareTripleChecker+Valid, 6337 SdHoareTripleChecker+Invalid, 18436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2628 IncrementalHoareTripleChecker+Valid, 15808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-22 01:57:02,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8045 Valid, 6337 Invalid, 18436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2628 Valid, 15808 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2024-11-22 01:57:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470220 states.